20318522

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{709}}^1$

素因数の和:830

約数の個数: 32

約数和(自身を含む): 36806400

約数和(自身を除く): 16487878

約数列:

[1, 2, 7, 14, 23, 46, 89, 161, 178, 322, 623, 709, 1246, 1418, 2047, 4094, 4963, 9926, 14329, 16307, 28658, 32614, 63101, 114149, 126202, 228298, 441707, 883414, 1451323, 2902646, 10159261, 20318522]

約数ペア:

[(1, 20318522), (2, 10159261), (7, 2902646), (14, 1451323), (23, 883414), (46, 441707), (89, 228298), (161, 126202), (178, 114149), (322, 63101), (623, 32614), (709, 28658), (1246, 16307), (1418, 14329), (2047, 9926), (4094, 4963)]