20971950

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{139813}}^1$

素因数の和:139828

約数の個数: 24

約数和(自身を含む): 52010808

約数和(自身を除く): 31038858

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 150, 139813, 279626, 419439, 699065, 838878, 1398130, 2097195, 3495325, 4194390, 6990650, 10485975, 20971950]

約数ペア:

[(1, 20971950), (2, 10485975), (3, 6990650), (5, 4194390), (6, 3495325), (10, 2097195), (15, 1398130), (25, 838878), (30, 699065), (50, 419439), (75, 279626), (150, 139813)]