20153808

素因数分解:

$2^4\times 3^2\times {\mathrm{173}}^1\times {\mathrm{809}}^1$

素因数の和:996

約数の個数: 60

約数和(自身を含む): 56798820

約数和(自身を除く): 36645012

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 173, 346, 519, 692, 809, 1038, 1384, 1557, 1618, 2076, 2427, 2768, 3114, 3236, 4152, 4854, 6228, 6472, 7281, 8304, 9708, 12456, 12944, 14562, 19416, 24912, 29124, 38832, 58248, 116496, 139957, 279914, 419871, 559828, 839742, 1119656, 1259613, 1679484, 2239312, 2519226, 3358968, 5038452, 6717936, 10076904, 20153808]

約数ペア:

[(1, 20153808), (2, 10076904), (3, 6717936), (4, 5038452), (6, 3358968), (8, 2519226), (9, 2239312), (12, 1679484), (16, 1259613), (18, 1119656), (24, 839742), (36, 559828), (48, 419871), (72, 279914), (144, 139957), (173, 116496), (346, 58248), (519, 38832), (692, 29124), (809, 24912), (1038, 19416), (1384, 14562), (1557, 12944), (1618, 12456), (2076, 9708), (2427, 8304), (2768, 7281), (3114, 6472), (3236, 6228), (4152, 4854)]