20556369512

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{12657863}}^1$

素因数の和:12657905

約数の個数: 32

約数和(自身を含む): 45568310400

約数和(自身を除く): 25011940888

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 56, 58, 116, 203, 232, 406, 812, 1624, 12657863, 25315726, 50631452, 88605041, 101262904, 177210082, 354420164, 367078027, 708840328, 734156054, 1468312108, 2569546189, 2936624216, 5139092378, 10278184756, 20556369512]

約数ペア:

[(1, 20556369512), (2, 10278184756), (4, 5139092378), (7, 2936624216), (8, 2569546189), (14, 1468312108), (28, 734156054), (29, 708840328), (56, 367078027), (58, 354420164), (116, 177210082), (203, 101262904), (232, 88605041), (406, 50631452), (812, 25315726), (1624, 12657863)]