20664256

素因数分解:

$2^6\times {\mathrm{73}}^1\times {\mathrm{4423}}^1$

素因数の和:4508

約数の個数: 28

約数和(自身を含む): 41576752

約数和(自身を除く): 20912496

約数列:

[1, 2, 4, 8, 16, 32, 64, 73, 146, 292, 584, 1168, 2336, 4423, 4672, 8846, 17692, 35384, 70768, 141536, 283072, 322879, 645758, 1291516, 2583032, 5166064, 10332128, 20664256]

約数ペア:

[(1, 20664256), (2, 10332128), (4, 5166064), (8, 2583032), (16, 1291516), (32, 645758), (64, 322879), (73, 283072), (146, 141536), (292, 70768), (584, 35384), (1168, 17692), (2336, 8846), (4423, 4672)]