20447016

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{19813}}^1$

素因数の和:19865

約数の個数: 32

約数和(自身を含む): 52308960

約数和(自身を除く): 31861944

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 129, 172, 258, 344, 516, 1032, 19813, 39626, 59439, 79252, 118878, 158504, 237756, 475512, 851959, 1703918, 2555877, 3407836, 5111754, 6815672, 10223508, 20447016]

約数ペア:

[(1, 20447016), (2, 10223508), (3, 6815672), (4, 5111754), (6, 3407836), (8, 2555877), (12, 1703918), (24, 851959), (43, 475512), (86, 237756), (129, 158504), (172, 118878), (258, 79252), (344, 59439), (516, 39626), (1032, 19813)]