20878950

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{109}}^1\times {\mathrm{1277}}^1$

素因数の和:1401

約数の個数: 48

約数和(自身を含む): 52295760

約数和(自身を除く): 31416810

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 109, 150, 218, 327, 545, 654, 1090, 1277, 1635, 2554, 2725, 3270, 3831, 5450, 6385, 7662, 8175, 12770, 16350, 19155, 31925, 38310, 63850, 95775, 139193, 191550, 278386, 417579, 695965, 835158, 1391930, 2087895, 3479825, 4175790, 6959650, 10439475, 20878950]

約数ペア:

[(1, 20878950), (2, 10439475), (3, 6959650), (5, 4175790), (6, 3479825), (10, 2087895), (15, 1391930), (25, 835158), (30, 695965), (50, 417579), (75, 278386), (109, 191550), (150, 139193), (218, 95775), (327, 63850), (545, 38310), (654, 31925), (1090, 19155), (1277, 16350), (1635, 12770), (2554, 8175), (2725, 7662), (3270, 6385), (3831, 5450)]