20413822

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{521}}^1$

素因数の和:684

約数の個数: 32

約数和(自身を含む): 36306144

約数和(自身を除く): 15892322

約数列:

[1, 2, 11, 13, 22, 26, 137, 143, 274, 286, 521, 1042, 1507, 1781, 3014, 3562, 5731, 6773, 11462, 13546, 19591, 39182, 71377, 74503, 142754, 149006, 785147, 927901, 1570294, 1855802, 10206911, 20413822]

約数ペア:

[(1, 20413822), (2, 10206911), (11, 1855802), (13, 1570294), (22, 927901), (26, 785147), (137, 149006), (143, 142754), (274, 74503), (286, 71377), (521, 39182), (1042, 19591), (1507, 13546), (1781, 11462), (3014, 6773), (3562, 5731)]