20153430

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{20357}}^1$

素因数の和:20381

約数の個数: 48

約数和(自身を含む): 57165264

約数和(自身を除く): 37011834

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990, 20357, 40714, 61071, 101785, 122142, 183213, 203570, 223927, 305355, 366426, 447854, 610710, 671781, 916065, 1119635, 1343562, 1832130, 2015343, 2239270, 3358905, 4030686, 6717810, 10076715, 20153430]

約数ペア:

[(1, 20153430), (2, 10076715), (3, 6717810), (5, 4030686), (6, 3358905), (9, 2239270), (10, 2015343), (11, 1832130), (15, 1343562), (18, 1119635), (22, 916065), (30, 671781), (33, 610710), (45, 447854), (55, 366426), (66, 305355), (90, 223927), (99, 203570), (110, 183213), (165, 122142), (198, 101785), (330, 61071), (495, 40714), (990, 20357)]