20663936

素因数分解:

$2^7\times {\mathrm{23}}^1\times {\mathrm{7019}}^1$

素因数の和:7056

約数の個数: 32

約数和(自身を含む): 42962400

約数和(自身を除く): 22298464

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 128, 184, 368, 736, 1472, 2944, 7019, 14038, 28076, 56152, 112304, 161437, 224608, 322874, 449216, 645748, 898432, 1291496, 2582992, 5165984, 10331968, 20663936]

約数ペア:

[(1, 20663936), (2, 10331968), (4, 5165984), (8, 2582992), (16, 1291496), (23, 898432), (32, 645748), (46, 449216), (64, 322874), (92, 224608), (128, 161437), (184, 112304), (368, 56152), (736, 28076), (1472, 14038), (2944, 7019)]