20015325

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{8087}}^1$

素因数の和:8114

約数の個数: 36

約数和(自身を含む): 39113568

約数和(自身を除く): 19098243

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 99, 165, 225, 275, 495, 825, 2475, 8087, 24261, 40435, 72783, 88957, 121305, 202175, 266871, 363915, 444785, 606525, 800613, 1334355, 1819575, 2223925, 4003065, 6671775, 20015325]

約数ペア:

[(1, 20015325), (3, 6671775), (5, 4003065), (9, 2223925), (11, 1819575), (15, 1334355), (25, 800613), (33, 606525), (45, 444785), (55, 363915), (75, 266871), (99, 202175), (165, 121305), (225, 88957), (275, 72783), (495, 40435), (825, 24261), (2475, 8087)]