20201005175

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{191}}^1\times {\mathrm{25033}}^1$

素因数の和:25260

約数の個数: 36

約数和(自身を含む): 27267433344

約数和(自身を除く): 7066428169

約数列:

[1, 5, 13, 25, 65, 169, 191, 325, 845, 955, 2483, 4225, 4775, 12415, 25033, 32279, 62075, 125165, 161395, 325429, 625825, 806975, 1627145, 4230577, 4781303, 8135725, 21152885, 23906515, 62156939, 105764425, 119532575, 310784695, 808040207, 1553923475, 4040201035, 20201005175]

約数ペア:

[(1, 20201005175), (5, 4040201035), (13, 1553923475), (25, 808040207), (65, 310784695), (169, 119532575), (191, 105764425), (325, 62156939), (845, 23906515), (955, 21152885), (2483, 8135725), (4225, 4781303), (4775, 4230577), (12415, 1627145), (25033, 806975), (32279, 625825), (62075, 325429), (125165, 161395)]