20218219840

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{22397}}^1$

素因数の和:22465

約数の個数: 224

約数和(自身を含む): 61169117184

約数和(自身を除く): 40950897344

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 31, 32, 35, 40, 52, 56, 62, 64, 65, 70, 80, 91, 104, 112, 124, 130, 140, 155, 160, 182, 208, 217, 224, 248, 260, 280, 310, 320, 364, 403, 416, 434, 448, 455, 496, 520, 560, 620, 728, 806, 832, 868, 910, 992, 1040, 1085, 1120, 1240, 1456, 1612, 1736, 1820, 1984, 2015, 2080, 2170, 2240, 2480, 2821, 2912, 3224, 3472, 3640, 4030, 4160, 4340, 4960, 5642, 5824, 6448, 6944, 7280, 8060, 8680, 9920, 11284, 12896, 13888, 14105, 14560, 16120, 17360, 22397, 22568, 25792, 28210, 29120, 32240, 34720, 44794, 45136, 56420, 64480, 69440, 89588, 90272, 111985, 112840, 128960, 156779, 179176, 180544, 223970, 225680, 291161, 313558, 358352, 447940, 451360, 582322, 627116, 694307, 716704, 783895, 895880, 902720, 1164644, 1254232, 1388614, 1433408, 1455805, 1567790, 1791760, 2038127, 2329288, 2508464, 2777228, 2911610, 3135580, 3471535, 3583520, 4076254, 4658576, 4860149, 5016928, 5554456, 5823220, 6271160, 6943070, 7167040, 8152508, 9025991, 9317152, 9720298, 10033856, 10190635, 11108912, 11646440, 12542320, 13886140, 16305016, 18051982, 18634304, 19440596, 20381270, 22217824, 23292880, 24300745, 25084640, 27772280, 32610032, 36103964, 38881192, 40762540, 44435648, 45129955, 46585760, 48601490, 50169280, 55544560, 63181937, 65220064, 72207928, 77762384, 81525080, 90259910, 93171520, 97202980, 111089120, 126363874, 130440128, 144415856, 155524768, 163050160, 180519820, 194405960, 222178240, 252727748, 288831712, 311049536, 315909685, 326100320, 361039640, 388811920, 505455496, 577663424, 631819370, 652200640, 722079280, 777623840, 1010910992, 1263638740, 1444158560, 1555247680, 2021821984, 2527277480, 2888317120, 4043643968, 5054554960, 10109109920, 20218219840]

約数ペア:

[(1, 20218219840), (2, 10109109920), (4, 5054554960), (5, 4043643968), (7, 2888317120), (8, 2527277480), (10, 2021821984), (13, 1555247680), (14, 1444158560), (16, 1263638740), (20, 1010910992), (26, 777623840), (28, 722079280), (31, 652200640), (32, 631819370), (35, 577663424), (40, 505455496), (52, 388811920), (56, 361039640), (62, 326100320), (64, 315909685), (65, 311049536), (70, 288831712), (80, 252727748), (91, 222178240), (104, 194405960), (112, 180519820), (124, 163050160), (130, 155524768), (140, 144415856), (155, 130440128), (160, 126363874), (182, 111089120), (208, 97202980), (217, 93171520), (224, 90259910), (248, 81525080), (260, 77762384), (280, 72207928), (310, 65220064), (320, 63181937), (364, 55544560), (403, 50169280), (416, 48601490), (434, 46585760), (448, 45129955), (455, 44435648), (496, 40762540), (520, 38881192), (560, 36103964), (620, 32610032), (728, 27772280), (806, 25084640), (832, 24300745), (868, 23292880), (910, 22217824), (992, 20381270), (1040, 19440596), (1085, 18634304), (1120, 18051982), (1240, 16305016), (1456, 13886140), (1612, 12542320), (1736, 11646440), (1820, 11108912), (1984, 10190635), (2015, 10033856), (2080, 9720298), (2170, 9317152), (2240, 9025991), (2480, 8152508), (2821, 7167040), (2912, 6943070), (3224, 6271160), (3472, 5823220), (3640, 5554456), (4030, 5016928), (4160, 4860149), (4340, 4658576), (4960, 4076254), (5642, 3583520), (5824, 3471535), (6448, 3135580), (6944, 2911610), (7280, 2777228), (8060, 2508464), (8680, 2329288), (9920, 2038127), (11284, 1791760), (12896, 1567790), (13888, 1455805), (14105, 1433408), (14560, 1388614), (16120, 1254232), (17360, 1164644), (22397, 902720), (22568, 895880), (25792, 783895), (28210, 716704), (29120, 694307), (32240, 627116), (34720, 582322), (44794, 451360), (45136, 447940), (56420, 358352), (64480, 313558), (69440, 291161), (89588, 225680), (90272, 223970), (111985, 180544), (112840, 179176), (128960, 156779)]