20608792

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{211}}^1\times {\mathrm{421}}^1$

素因数の和:667

約数の個数: 32

約数和(自身を含む): 40258800

約数和(自身を除く): 19650008

約数列:

[1, 2, 4, 8, 29, 58, 116, 211, 232, 421, 422, 842, 844, 1684, 1688, 3368, 6119, 12209, 12238, 24418, 24476, 48836, 48952, 88831, 97672, 177662, 355324, 710648, 2576099, 5152198, 10304396, 20608792]

約数ペア:

[(1, 20608792), (2, 10304396), (4, 5152198), (8, 2576099), (29, 710648), (58, 355324), (116, 177662), (211, 97672), (232, 88831), (421, 48952), (422, 48836), (842, 24476), (844, 24418), (1684, 12238), (1688, 12209), (3368, 6119)]