20118245

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{30253}}^1$

素因数の和:30284

約数の個数: 16

約数和(自身を含む): 29043840

約数和(自身を除く): 8925595

約数列:

[1, 5, 7, 19, 35, 95, 133, 665, 30253, 151265, 211771, 574807, 1058855, 2874035, 4023649, 20118245]

約数ペア:

[(1, 20118245), (5, 4023649), (7, 2874035), (19, 1058855), (35, 574807), (95, 211771), (133, 151265), (665, 30253)]