20515638

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23911}}^1$

素因数の和:23940

約数の個数: 32

約数和(自身を含む): 48206592

約数和(自身を除く): 27690954

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 143, 286, 429, 858, 23911, 47822, 71733, 143466, 263021, 310843, 526042, 621686, 789063, 932529, 1578126, 1865058, 3419273, 6838546, 10257819, 20515638]

約数ペア:

[(1, 20515638), (2, 10257819), (3, 6838546), (6, 3419273), (11, 1865058), (13, 1578126), (22, 932529), (26, 789063), (33, 621686), (39, 526042), (66, 310843), (78, 263021), (143, 143466), (286, 71733), (429, 47822), (858, 23911)]