20108312

素因数分解:

$2^3\times 7^1\times {\mathrm{137}}^1\times {\mathrm{2621}}^1$

素因数の和:2771

約数の個数: 32

約数和(自身を含む): 43420320

約数和(自身を除く): 23312008

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 137, 274, 548, 959, 1096, 1918, 2621, 3836, 5242, 7672, 10484, 18347, 20968, 36694, 73388, 146776, 359077, 718154, 1436308, 2513539, 2872616, 5027078, 10054156, 20108312]

約数ペア:

[(1, 20108312), (2, 10054156), (4, 5027078), (7, 2872616), (8, 2513539), (14, 1436308), (28, 718154), (56, 359077), (137, 146776), (274, 73388), (548, 36694), (959, 20968), (1096, 18347), (1918, 10484), (2621, 7672), (3836, 5242)]