20791020480

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{5333}}^1$

素因数の和:5515

約数の個数: 224

約数和(自身を含む): 68673927168

約数和(自身を除く): 47882906688

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 131, 155, 160, 186, 192, 240, 248, 262, 310, 320, 372, 393, 465, 480, 496, 524, 620, 655, 744, 786, 930, 960, 992, 1048, 1240, 1310, 1488, 1572, 1860, 1965, 1984, 2096, 2480, 2620, 2976, 3144, 3720, 3930, 4061, 4192, 4960, 5240, 5333, 5952, 6288, 7440, 7860, 8122, 8384, 9920, 10480, 10666, 12183, 12576, 14880, 15720, 15999, 16244, 20305, 20960, 21332, 24366, 25152, 26665, 29760, 31440, 31998, 32488, 40610, 41920, 42664, 48732, 53330, 60915, 62880, 63996, 64976, 79995, 81220, 85328, 97464, 106660, 121830, 125760, 127992, 129952, 159990, 162440, 165323, 170656, 194928, 213320, 243660, 255984, 259904, 319980, 324880, 330646, 341312, 389856, 426640, 487320, 495969, 511968, 639960, 649760, 661292, 698623, 779712, 826615, 853280, 974640, 991938, 1023936, 1279920, 1299520, 1322584, 1397246, 1653230, 1706560, 1949280, 1983876, 2095869, 2479845, 2559840, 2645168, 2794492, 3306460, 3493115, 3898560, 3967752, 4191738, 4959690, 5119680, 5290336, 5588984, 6612920, 6986230, 7935504, 8383476, 9919380, 10479345, 10580672, 11177968, 13225840, 13972460, 15871008, 16766952, 19838760, 20958690, 21657313, 22355936, 26451680, 27944920, 31742016, 33533904, 39677520, 41917380, 43314626, 44711872, 52903360, 55889840, 64971939, 67067808, 79355040, 83834760, 86629252, 108286565, 111779680, 129943878, 134135616, 158710080, 167669520, 173258504, 216573130, 223559360, 259887756, 324859695, 335339040, 346517008, 433146260, 519775512, 649719390, 670678080, 693034016, 866292520, 1039551024, 1299438780, 1386068032, 1732585040, 2079102048, 2598877560, 3465170080, 4158204096, 5197755120, 6930340160, 10395510240, 20791020480]

約数ペア:

[(1, 20791020480), (2, 10395510240), (3, 6930340160), (4, 5197755120), (5, 4158204096), (6, 3465170080), (8, 2598877560), (10, 2079102048), (12, 1732585040), (15, 1386068032), (16, 1299438780), (20, 1039551024), (24, 866292520), (30, 693034016), (31, 670678080), (32, 649719390), (40, 519775512), (48, 433146260), (60, 346517008), (62, 335339040), (64, 324859695), (80, 259887756), (93, 223559360), (96, 216573130), (120, 173258504), (124, 167669520), (131, 158710080), (155, 134135616), (160, 129943878), (186, 111779680), (192, 108286565), (240, 86629252), (248, 83834760), (262, 79355040), (310, 67067808), (320, 64971939), (372, 55889840), (393, 52903360), (465, 44711872), (480, 43314626), (496, 41917380), (524, 39677520), (620, 33533904), (655, 31742016), (744, 27944920), (786, 26451680), (930, 22355936), (960, 21657313), (992, 20958690), (1048, 19838760), (1240, 16766952), (1310, 15871008), (1488, 13972460), (1572, 13225840), (1860, 11177968), (1965, 10580672), (1984, 10479345), (2096, 9919380), (2480, 8383476), (2620, 7935504), (2976, 6986230), (3144, 6612920), (3720, 5588984), (3930, 5290336), (4061, 5119680), (4192, 4959690), (4960, 4191738), (5240, 3967752), (5333, 3898560), (5952, 3493115), (6288, 3306460), (7440, 2794492), (7860, 2645168), (8122, 2559840), (8384, 2479845), (9920, 2095869), (10480, 1983876), (10666, 1949280), (12183, 1706560), (12576, 1653230), (14880, 1397246), (15720, 1322584), (15999, 1299520), (16244, 1279920), (20305, 1023936), (20960, 991938), (21332, 974640), (24366, 853280), (25152, 826615), (26665, 779712), (29760, 698623), (31440, 661292), (31998, 649760), (32488, 639960), (40610, 511968), (41920, 495969), (42664, 487320), (48732, 426640), (53330, 389856), (60915, 341312), (62880, 330646), (63996, 324880), (64976, 319980), (79995, 259904), (81220, 255984), (85328, 243660), (97464, 213320), (106660, 194928), (121830, 170656), (125760, 165323), (127992, 162440), (129952, 159990)]