20122513901

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{397}}^1\times {\mathrm{54443}}^1$

素因数の和:54873

約数の個数: 24

約数和(自身を含む): 24702331680

約数和(自身を除く): 4579817779

約数列:

[1, 7, 19, 49, 133, 397, 931, 2779, 7543, 19453, 52801, 54443, 369607, 381101, 1034417, 2667707, 7240919, 21613871, 50686433, 151297097, 410663549, 1059079679, 2874644843, 20122513901]

約数ペア:

[(1, 20122513901), (7, 2874644843), (19, 1059079679), (49, 410663549), (133, 151297097), (397, 50686433), (931, 21613871), (2779, 7240919), (7543, 2667707), (19453, 1034417), (52801, 381101), (54443, 369607)]