19920735

素因数分解:

$3^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{487}}^1$

素因数の和:605

約数の個数: 40

約数和(自身を含む): 36137376

約数和(自身を除く): 16216641

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 101, 135, 303, 405, 487, 505, 909, 1461, 1515, 2435, 2727, 4383, 4545, 7305, 8181, 13149, 13635, 21915, 39447, 40905, 49187, 65745, 147561, 197235, 245935, 442683, 737805, 1328049, 2213415, 3984147, 6640245, 19920735]

約数ペア:

[(1, 19920735), (3, 6640245), (5, 3984147), (9, 2213415), (15, 1328049), (27, 737805), (45, 442683), (81, 245935), (101, 197235), (135, 147561), (303, 65745), (405, 49187), (487, 40905), (505, 39447), (909, 21915), (1461, 13635), (1515, 13149), (2435, 8181), (2727, 7305), (4383, 4545)]