20512781262

素因数分解:

$2^1\times 3^2\times {\mathrm{479}}^1\times {\mathrm{1321}}^1\times {\mathrm{1801}}^1$

素因数の和:3609

約数の個数: 48

約数和(自身を含む): 44595607680

約数和(自身を除く): 24082826418

約数列:

[1, 2, 3, 6, 9, 18, 479, 958, 1321, 1437, 1801, 2642, 2874, 3602, 3963, 4311, 5403, 7926, 8622, 10806, 11889, 16209, 23778, 32418, 632759, 862679, 1265518, 1725358, 1898277, 2379121, 2588037, 3796554, 4758242, 5176074, 5694831, 7137363, 7764111, 11389662, 14274726, 15528222, 21412089, 42824178, 1139598959, 2279197918, 3418796877, 6837593754, 10256390631, 20512781262]

約数ペア:

[(1, 20512781262), (2, 10256390631), (3, 6837593754), (6, 3418796877), (9, 2279197918), (18, 1139598959), (479, 42824178), (958, 21412089), (1321, 15528222), (1437, 14274726), (1801, 11389662), (2642, 7764111), (2874, 7137363), (3602, 5694831), (3963, 5176074), (4311, 4758242), (5403, 3796554), (7926, 2588037), (8622, 2379121), (10806, 1898277), (11889, 1725358), (16209, 1265518), (23778, 862679), (32418, 632759)]