20125927745

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2751323}}^1$

素因数の和:2751365

約数の個数: 32

約数和(自身を含む): 31695252480

約数和(自身を除く): 11569324735

約数列:

[1, 5, 7, 11, 19, 35, 55, 77, 95, 133, 209, 385, 665, 1045, 1463, 7315, 2751323, 13756615, 19259261, 30264553, 52275137, 96296305, 151322765, 211851871, 261375685, 365925959, 575026507, 1059259355, 1829629795, 2875132535, 4025185549, 20125927745]

約数ペア:

[(1, 20125927745), (5, 4025185549), (7, 2875132535), (11, 1829629795), (19, 1059259355), (35, 575026507), (55, 365925959), (77, 261375685), (95, 211851871), (133, 151322765), (209, 96296305), (385, 52275137), (665, 30264553), (1045, 19259261), (1463, 13756615), (7315, 2751323)]