20162920120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{4483}}^1\times {\mathrm{16063}}^1$

素因数の和:20564

約数の個数: 64

約数和(自身を含む): 51862302720

約数和(自身を除く): 31699382600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 4483, 8966, 16063, 17932, 22415, 31381, 32126, 35864, 44830, 62762, 64252, 80315, 89660, 112441, 125524, 128504, 156905, 160630, 179320, 224882, 251048, 313810, 321260, 449764, 562205, 627620, 642520, 899528, 1124410, 1255240, 2248820, 4497640, 72010429, 144020858, 288041716, 360052145, 504073003, 576083432, 720104290, 1008146006, 1440208580, 2016292012, 2520365015, 2880417160, 4032584024, 5040730030, 10081460060, 20162920120]

約数ペア:

[(1, 20162920120), (2, 10081460060), (4, 5040730030), (5, 4032584024), (7, 2880417160), (8, 2520365015), (10, 2016292012), (14, 1440208580), (20, 1008146006), (28, 720104290), (35, 576083432), (40, 504073003), (56, 360052145), (70, 288041716), (140, 144020858), (280, 72010429), (4483, 4497640), (8966, 2248820), (16063, 1255240), (17932, 1124410), (22415, 899528), (31381, 642520), (32126, 627620), (35864, 562205), (44830, 449764), (62762, 321260), (64252, 313810), (80315, 251048), (89660, 224882), (112441, 179320), (125524, 160630), (128504, 156905)]