20964224

素因数分解:

$2^7\times {\mathrm{23}}^1\times {\mathrm{7121}}^1$

素因数の和:7158

約数の個数: 32

約数和(自身を含む): 43586640

約数和(自身を除く): 22622416

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 128, 184, 368, 736, 1472, 2944, 7121, 14242, 28484, 56968, 113936, 163783, 227872, 327566, 455744, 655132, 911488, 1310264, 2620528, 5241056, 10482112, 20964224]

約数ペア:

[(1, 20964224), (2, 10482112), (4, 5241056), (8, 2620528), (16, 1310264), (23, 911488), (32, 655132), (46, 455744), (64, 327566), (92, 227872), (128, 163783), (184, 113936), (368, 56968), (736, 28484), (1472, 14242), (2944, 7121)]