20123296

素因数分解:

$2^5\times {\mathrm{557}}^1\times {\mathrm{1129}}^1$

素因数の和:1696

約数の個数: 24

約数和(自身を含む): 39724020

約数和(自身を除く): 19600724

約数列:

[1, 2, 4, 8, 16, 32, 557, 1114, 1129, 2228, 2258, 4456, 4516, 8912, 9032, 17824, 18064, 36128, 628853, 1257706, 2515412, 5030824, 10061648, 20123296]

約数ペア:

[(1, 20123296), (2, 10061648), (4, 5030824), (8, 2515412), (16, 1257706), (32, 628853), (557, 36128), (1114, 18064), (1129, 17824), (2228, 9032), (2258, 8912), (4456, 4516)]