20533065

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{691}}^1$

素因数の和:989

約数の個数: 32

約数和(自身を含む): 37733376

約数和(自身を除く): 17200311

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 283, 691, 849, 1415, 1981, 2073, 3455, 4245, 4837, 5943, 9905, 10365, 14511, 24185, 29715, 72555, 195553, 586659, 977765, 1368871, 2933295, 4106613, 6844355, 20533065]

約数ペア:

[(1, 20533065), (3, 6844355), (5, 4106613), (7, 2933295), (15, 1368871), (21, 977765), (35, 586659), (105, 195553), (283, 72555), (691, 29715), (849, 24185), (1415, 14511), (1981, 10365), (2073, 9905), (3455, 5943), (4245, 4837)]