20342706412

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{190639}}^1$

素因数の和:190790

約数の個数: 48

約数和(自身を含む): 42190919680

約数和(自身を除く): 21848213268

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 103, 148, 206, 259, 412, 518, 721, 1036, 1442, 2884, 3811, 7622, 15244, 26677, 53354, 106708, 190639, 381278, 762556, 1334473, 2668946, 5337892, 7053643, 14107286, 19635817, 28214572, 39271634, 49375501, 78543268, 98751002, 137450719, 197502004, 274901438, 549802876, 726525229, 1453050458, 2906100916, 5085676603, 10171353206, 20342706412]

約数ペア:

[(1, 20342706412), (2, 10171353206), (4, 5085676603), (7, 2906100916), (14, 1453050458), (28, 726525229), (37, 549802876), (74, 274901438), (103, 197502004), (148, 137450719), (206, 98751002), (259, 78543268), (412, 49375501), (518, 39271634), (721, 28214572), (1036, 19635817), (1442, 14107286), (2884, 7053643), (3811, 5337892), (7622, 2668946), (15244, 1334473), (26677, 762556), (53354, 381278), (106708, 190639)]