20552535

素因数分解:

$3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1637}}^1$

素因数の和:1685

約数の個数: 40

約数和(自身を含む): 38054016

約数和(自身を除く): 17501481

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 81, 93, 135, 155, 279, 405, 465, 837, 1395, 1637, 2511, 4185, 4911, 8185, 12555, 14733, 24555, 44199, 50747, 73665, 132597, 152241, 220995, 253735, 456723, 662985, 761205, 1370169, 2283615, 4110507, 6850845, 20552535]

約数ペア:

[(1, 20552535), (3, 6850845), (5, 4110507), (9, 2283615), (15, 1370169), (27, 761205), (31, 662985), (45, 456723), (81, 253735), (93, 220995), (135, 152241), (155, 132597), (279, 73665), (405, 50747), (465, 44199), (837, 24555), (1395, 14733), (1637, 12555), (2511, 8185), (4185, 4911)]