20504943

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{251}}^1\times {\mathrm{313}}^1$

素因数の和:599

約数の個数: 24

約数和(自身を含む): 30859920

約数和(自身を除く): 10354977

約数列:

[1, 3, 9, 29, 87, 251, 261, 313, 753, 939, 2259, 2817, 7279, 9077, 21837, 27231, 65511, 78563, 81693, 235689, 707067, 2278327, 6834981, 20504943]

約数ペア:

[(1, 20504943), (3, 6834981), (9, 2278327), (29, 707067), (87, 235689), (251, 81693), (261, 78563), (313, 65511), (753, 27231), (939, 21837), (2259, 9077), (2817, 7279)]