20745098

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{211}}^1$

素因数の和:374

約数の個数: 32

約数和(自身を含む): 35259840

約数和(自身を除く): 14514742

約数列:

[1, 2, 11, 22, 41, 82, 109, 211, 218, 422, 451, 902, 1199, 2321, 2398, 4469, 4642, 8651, 8938, 17302, 22999, 45998, 49159, 95161, 98318, 190322, 252989, 505978, 942959, 1885918, 10372549, 20745098]

約数ペア:

[(1, 20745098), (2, 10372549), (11, 1885918), (22, 942959), (41, 505978), (82, 252989), (109, 190322), (211, 98318), (218, 95161), (422, 49159), (451, 45998), (902, 22999), (1199, 17302), (2321, 8938), (2398, 8651), (4469, 4642)]