20778752

素因数分解:

$2^8\times {\mathrm{23}}^1\times {\mathrm{3529}}^1$

素因数の和:3568

約数の個数: 36

約数和(自身を含む): 43291920

約数和(自身を除く): 22513168

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 128, 184, 256, 368, 736, 1472, 2944, 3529, 5888, 7058, 14116, 28232, 56464, 81167, 112928, 162334, 225856, 324668, 451712, 649336, 903424, 1298672, 2597344, 5194688, 10389376, 20778752]

約数ペア:

[(1, 20778752), (2, 10389376), (4, 5194688), (8, 2597344), (16, 1298672), (23, 903424), (32, 649336), (46, 451712), (64, 324668), (92, 225856), (128, 162334), (184, 112928), (256, 81167), (368, 56464), (736, 28232), (1472, 14116), (2944, 7058), (3529, 5888)]