20996224

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{9649}}^1$

素因数の和:9680

約数の個数: 32

約数和(自身を含む): 44293500

約数和(自身を除く): 23297276

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 272, 544, 1088, 2176, 9649, 19298, 38596, 77192, 154384, 164033, 308768, 328066, 617536, 656132, 1235072, 1312264, 2624528, 5249056, 10498112, 20996224]

約数ペア:

[(1, 20996224), (2, 10498112), (4, 5249056), (8, 2624528), (16, 1312264), (17, 1235072), (32, 656132), (34, 617536), (64, 328066), (68, 308768), (128, 164033), (136, 154384), (272, 77192), (544, 38596), (1088, 19298), (2176, 9649)]