20625670

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{5471}}^1$

素因数の和:5520

約数の個数: 32

約数和(自身を含む): 41368320

約数和(自身を除く): 20742650

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 290, 377, 754, 1885, 3770, 5471, 10942, 27355, 54710, 71123, 142246, 158659, 317318, 355615, 711230, 793295, 1586590, 2062567, 4125134, 10312835, 20625670]

約数ペア:

[(1, 20625670), (2, 10312835), (5, 4125134), (10, 2062567), (13, 1586590), (26, 793295), (29, 711230), (58, 355615), (65, 317318), (130, 158659), (145, 142246), (290, 71123), (377, 54710), (754, 27355), (1885, 10942), (3770, 5471)]