20741256

素因数分解:

$2^3\times 3^2\times {\mathrm{271}}^1\times {\mathrm{1063}}^1$

素因数の和:1346

約数の個数: 48

約数和(自身を含む): 56434560

約数和(自身を除く): 35693304

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 271, 542, 813, 1063, 1084, 1626, 2126, 2168, 2439, 3189, 3252, 4252, 4878, 6378, 6504, 8504, 9567, 9756, 12756, 19134, 19512, 25512, 38268, 76536, 288073, 576146, 864219, 1152292, 1728438, 2304584, 2592657, 3456876, 5185314, 6913752, 10370628, 20741256]

約数ペア:

[(1, 20741256), (2, 10370628), (3, 6913752), (4, 5185314), (6, 3456876), (8, 2592657), (9, 2304584), (12, 1728438), (18, 1152292), (24, 864219), (36, 576146), (72, 288073), (271, 76536), (542, 38268), (813, 25512), (1063, 19512), (1084, 19134), (1626, 12756), (2126, 9756), (2168, 9567), (2439, 8504), (3189, 6504), (3252, 6378), (4252, 4878)]