20180867825

素因数分解:

$5^2\times {\mathrm{71}}^1\times {\mathrm{3023}}^1\times {\mathrm{3761}}^1$

素因数の和:6865

約数の個数: 24

約数和(自身を含む): 25391874816

約数和(自身を除く): 5211006991

約数列:

[1, 5, 25, 71, 355, 1775, 3023, 3761, 15115, 18805, 75575, 94025, 214633, 267031, 1073165, 1335155, 5365825, 6675775, 11369503, 56847515, 284237575, 807234713, 4036173565, 20180867825]

約数ペア:

[(1, 20180867825), (5, 4036173565), (25, 807234713), (71, 284237575), (355, 56847515), (1775, 11369503), (3023, 6675775), (3761, 5365825), (15115, 1335155), (18805, 1073165), (75575, 267031), (94025, 214633)]