20178984528

素因数分解:

$2^4\times 3^2\times {\mathrm{140131837}}^1$

素因数の和:140131851

約数の個数: 30

約数和(自身を含む): 56473130714

約数和(自身を除く): 36294146186

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 140131837, 280263674, 420395511, 560527348, 840791022, 1121054696, 1261186533, 1681582044, 2242109392, 2522373066, 3363164088, 5044746132, 6726328176, 10089492264, 20178984528]

約数ペア:

[(1, 20178984528), (2, 10089492264), (3, 6726328176), (4, 5044746132), (6, 3363164088), (8, 2522373066), (9, 2242109392), (12, 1681582044), (16, 1261186533), (18, 1121054696), (24, 840791022), (36, 560527348), (48, 420395511), (72, 280263674), (144, 140131837)]