20149597875

素因数分解:

$3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{1213}}^1\times {\mathrm{4027}}^1$

素因数の和:5269

約数の個数: 64

約数和(自身を含む): 36616260096

約数和(自身を除く): 16466662221

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 125, 165, 275, 375, 825, 1213, 1375, 3639, 4027, 4125, 6065, 12081, 13343, 18195, 20135, 30325, 40029, 44297, 60405, 66715, 90975, 100675, 132891, 151625, 200145, 221485, 302025, 333575, 454875, 503375, 664455, 1000725, 1107425, 1510125, 1667875, 3322275, 4884751, 5003625, 5537125, 14654253, 16611375, 24423755, 53732261, 73271265, 122118775, 161196783, 268661305, 366356325, 610593875, 805983915, 1343306525, 1831781625, 4029919575, 6716532625, 20149597875]

約数ペア:

[(1, 20149597875), (3, 6716532625), (5, 4029919575), (11, 1831781625), (15, 1343306525), (25, 805983915), (33, 610593875), (55, 366356325), (75, 268661305), (125, 161196783), (165, 122118775), (275, 73271265), (375, 53732261), (825, 24423755), (1213, 16611375), (1375, 14654253), (3639, 5537125), (4027, 5003625), (4125, 4884751), (6065, 3322275), (12081, 1667875), (13343, 1510125), (18195, 1107425), (20135, 1000725), (30325, 664455), (40029, 503375), (44297, 454875), (60405, 333575), (66715, 302025), (90975, 221485), (100675, 200145), (132891, 151625)]