20408702974

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{643}}^1\times {\mathrm{823}}^1\times {\mathrm{1753}}^1$

素因数の和:3232

約数の個数: 32

約数和(自身を含む): 33507742464

約数和(自身を除く): 13099039490

約数列:

[1, 2, 11, 22, 643, 823, 1286, 1646, 1753, 3506, 7073, 9053, 14146, 18106, 19283, 38566, 529189, 1058378, 1127179, 1442719, 2254358, 2885438, 5821079, 11642158, 12398969, 15869909, 24797938, 31739818, 927668317, 1855336634, 10204351487, 20408702974]

約数ペア:

[(1, 20408702974), (2, 10204351487), (11, 1855336634), (22, 927668317), (643, 31739818), (823, 24797938), (1286, 15869909), (1646, 12398969), (1753, 11642158), (3506, 5821079), (7073, 2885438), (9053, 2254358), (14146, 1442719), (18106, 1127179), (19283, 1058378), (38566, 529189)]