20637064

素因数分解:

$2^3\times 7^1\times {\mathrm{401}}^1\times {\mathrm{919}}^1$

素因数の和:1333

約数の個数: 32

約数和(自身を含む): 44380800

約数和(自身を除く): 23743736

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 401, 802, 919, 1604, 1838, 2807, 3208, 3676, 5614, 6433, 7352, 11228, 12866, 22456, 25732, 51464, 368519, 737038, 1474076, 2579633, 2948152, 5159266, 10318532, 20637064]

約数ペア:

[(1, 20637064), (2, 10318532), (4, 5159266), (7, 2948152), (8, 2579633), (14, 1474076), (28, 737038), (56, 368519), (401, 51464), (802, 25732), (919, 22456), (1604, 12866), (1838, 11228), (2807, 7352), (3208, 6433), (3676, 5614)]