20667616

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{28081}}^1$

素因数の和:28114

約数の個数: 24

約数和(自身を含む): 42459984

約数和(自身を除く): 21792368

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 92, 184, 368, 736, 28081, 56162, 112324, 224648, 449296, 645863, 898592, 1291726, 2583452, 5166904, 10333808, 20667616]

約数ペア:

[(1, 20667616), (2, 10333808), (4, 5166904), (8, 2583452), (16, 1291726), (23, 898592), (32, 645863), (46, 449296), (92, 224648), (184, 112324), (368, 56162), (736, 28081)]