20084355

素因数分解:

$3^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{491}}^1$

素因数の和:609

約数の個数: 40

約数和(自身を含む): 36433584

約数和(自身を除く): 16349229

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 101, 135, 303, 405, 491, 505, 909, 1473, 1515, 2455, 2727, 4419, 4545, 7365, 8181, 13257, 13635, 22095, 39771, 40905, 49591, 66285, 148773, 198855, 247955, 446319, 743865, 1338957, 2231595, 4016871, 6694785, 20084355]

約数ペア:

[(1, 20084355), (3, 6694785), (5, 4016871), (9, 2231595), (15, 1338957), (27, 743865), (45, 446319), (81, 247955), (101, 198855), (135, 148773), (303, 66285), (405, 49591), (491, 40905), (505, 39771), (909, 22095), (1473, 13635), (1515, 13257), (2455, 8181), (2727, 7365), (4419, 4545)]