20163595568

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{1847}}^1\times {\mathrm{35911}}^1$

素因数の和:37785

約数の個数: 40

約数和(自身を含む): 41146533120

約数和(自身を除く): 20982937552

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 1847, 3694, 7388, 14776, 29552, 35093, 35911, 70186, 71822, 140372, 143644, 280744, 287288, 561488, 574576, 682309, 1364618, 2729236, 5458472, 10916944, 66327617, 132655234, 265310468, 530620936, 1061241872, 1260224723, 2520449446, 5040898892, 10081797784, 20163595568]

約数ペア:

[(1, 20163595568), (2, 10081797784), (4, 5040898892), (8, 2520449446), (16, 1260224723), (19, 1061241872), (38, 530620936), (76, 265310468), (152, 132655234), (304, 66327617), (1847, 10916944), (3694, 5458472), (7388, 2729236), (14776, 1364618), (29552, 682309), (35093, 574576), (35911, 561488), (70186, 287288), (71822, 280744), (140372, 143644)]