20838792

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{66791}}^1$

素因数の和:66813

約数の個数: 32

約数和(自身を含む): 56105280

約数和(自身を除く): 35266488

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 66791, 133582, 200373, 267164, 400746, 534328, 801492, 868283, 1602984, 1736566, 2604849, 3473132, 5209698, 6946264, 10419396, 20838792]

約数ペア:

[(1, 20838792), (2, 10419396), (3, 6946264), (4, 5209698), (6, 3473132), (8, 2604849), (12, 1736566), (13, 1602984), (24, 868283), (26, 801492), (39, 534328), (52, 400746), (78, 267164), (104, 200373), (156, 133582), (312, 66791)]