20121718656

素因数分解:

$2^7\times 3^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{16319}}^1$

素因数の和:16381

約数の個数: 192

約数和(自身を含む): 60925824000

約数和(自身を除く): 40804105344

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 19, 24, 26, 32, 38, 39, 48, 52, 57, 64, 76, 78, 96, 104, 114, 128, 152, 156, 169, 192, 208, 228, 247, 304, 312, 338, 384, 416, 456, 494, 507, 608, 624, 676, 741, 832, 912, 988, 1014, 1216, 1248, 1352, 1482, 1664, 1824, 1976, 2028, 2432, 2496, 2704, 2964, 3211, 3648, 3952, 4056, 4992, 5408, 5928, 6422, 7296, 7904, 8112, 9633, 10816, 11856, 12844, 15808, 16224, 16319, 19266, 21632, 23712, 25688, 31616, 32448, 32638, 38532, 47424, 48957, 51376, 64896, 65276, 77064, 94848, 97914, 102752, 130552, 154128, 195828, 205504, 212147, 261104, 308256, 310061, 391656, 411008, 424294, 522208, 616512, 620122, 636441, 783312, 848588, 930183, 1044416, 1233024, 1240244, 1272882, 1566624, 1697176, 1860366, 2088832, 2480488, 2545764, 2757911, 3133248, 3394352, 3720732, 4030793, 4960976, 5091528, 5515822, 6266496, 6788704, 7441464, 8061586, 8273733, 9921952, 10183056, 11031644, 12092379, 13577408, 14882928, 16123172, 16547466, 19843904, 20366112, 22063288, 24184758, 27154816, 29765856, 32246344, 33094932, 39687808, 40732224, 44126576, 48369516, 52400309, 59531712, 64492688, 66189864, 81464448, 88253152, 96739032, 104800618, 119063424, 128985376, 132379728, 157200927, 176506304, 193478064, 209601236, 257970752, 264759456, 314401854, 353012608, 386956128, 419202472, 515941504, 529518912, 628803708, 773912256, 838404944, 1059037824, 1257607416, 1547824512, 1676809888, 2515214832, 3353619776, 5030429664, 6707239552, 10060859328, 20121718656]

約数ペア:

[(1, 20121718656), (2, 10060859328), (3, 6707239552), (4, 5030429664), (6, 3353619776), (8, 2515214832), (12, 1676809888), (13, 1547824512), (16, 1257607416), (19, 1059037824), (24, 838404944), (26, 773912256), (32, 628803708), (38, 529518912), (39, 515941504), (48, 419202472), (52, 386956128), (57, 353012608), (64, 314401854), (76, 264759456), (78, 257970752), (96, 209601236), (104, 193478064), (114, 176506304), (128, 157200927), (152, 132379728), (156, 128985376), (169, 119063424), (192, 104800618), (208, 96739032), (228, 88253152), (247, 81464448), (304, 66189864), (312, 64492688), (338, 59531712), (384, 52400309), (416, 48369516), (456, 44126576), (494, 40732224), (507, 39687808), (608, 33094932), (624, 32246344), (676, 29765856), (741, 27154816), (832, 24184758), (912, 22063288), (988, 20366112), (1014, 19843904), (1216, 16547466), (1248, 16123172), (1352, 14882928), (1482, 13577408), (1664, 12092379), (1824, 11031644), (1976, 10183056), (2028, 9921952), (2432, 8273733), (2496, 8061586), (2704, 7441464), (2964, 6788704), (3211, 6266496), (3648, 5515822), (3952, 5091528), (4056, 4960976), (4992, 4030793), (5408, 3720732), (5928, 3394352), (6422, 3133248), (7296, 2757911), (7904, 2545764), (8112, 2480488), (9633, 2088832), (10816, 1860366), (11856, 1697176), (12844, 1566624), (15808, 1272882), (16224, 1240244), (16319, 1233024), (19266, 1044416), (21632, 930183), (23712, 848588), (25688, 783312), (31616, 636441), (32448, 620122), (32638, 616512), (38532, 522208), (47424, 424294), (48957, 411008), (51376, 391656), (64896, 310061), (65276, 308256), (77064, 261104), (94848, 212147), (97914, 205504), (102752, 195828), (130552, 154128)]