20575644

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^3\times {\mathrm{349}}^1$

素因数の和:407

約数の個数: 48

約数和(自身を含む): 51156000

約数和(自身を除く): 30580356

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 204, 289, 349, 578, 698, 867, 1047, 1156, 1396, 1734, 2094, 3468, 4188, 4913, 5933, 9826, 11866, 14739, 17799, 19652, 23732, 29478, 35598, 58956, 71196, 100861, 201722, 302583, 403444, 605166, 1210332, 1714637, 3429274, 5143911, 6858548, 10287822, 20575644]

約数ペア:

[(1, 20575644), (2, 10287822), (3, 6858548), (4, 5143911), (6, 3429274), (12, 1714637), (17, 1210332), (34, 605166), (51, 403444), (68, 302583), (102, 201722), (204, 100861), (289, 71196), (349, 58956), (578, 35598), (698, 29478), (867, 23732), (1047, 19652), (1156, 17799), (1396, 14739), (1734, 11866), (2094, 9826), (3468, 5933), (4188, 4913)]