20686548

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{55609}}^1$

素因数の和:55647

約数の個数: 24

約数和(自身を含む): 49826560

約数和(自身を除く): 29140012

約数列:

[1, 2, 3, 4, 6, 12, 31, 62, 93, 124, 186, 372, 55609, 111218, 166827, 222436, 333654, 667308, 1723879, 3447758, 5171637, 6895516, 10343274, 20686548]

約数ペア:

[(1, 20686548), (2, 10343274), (3, 6895516), (4, 5171637), (6, 3447758), (12, 1723879), (31, 667308), (62, 333654), (93, 222436), (124, 166827), (186, 111218), (372, 55609)]