20477808

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{10939}}^1$

素因数の和:10966

約数の個数: 60

約数和(自身を含む): 61723480

約数和(自身を除く): 41245672

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 156, 208, 234, 312, 468, 624, 936, 1872, 10939, 21878, 32817, 43756, 65634, 87512, 98451, 131268, 142207, 175024, 196902, 262536, 284414, 393804, 426621, 525072, 568828, 787608, 853242, 1137656, 1279863, 1575216, 1706484, 2275312, 2559726, 3412968, 5119452, 6825936, 10238904, 20477808]

約数ペア:

[(1, 20477808), (2, 10238904), (3, 6825936), (4, 5119452), (6, 3412968), (8, 2559726), (9, 2275312), (12, 1706484), (13, 1575216), (16, 1279863), (18, 1137656), (24, 853242), (26, 787608), (36, 568828), (39, 525072), (48, 426621), (52, 393804), (72, 284414), (78, 262536), (104, 196902), (117, 175024), (144, 142207), (156, 131268), (208, 98451), (234, 87512), (312, 65634), (468, 43756), (624, 32817), (936, 21878), (1872, 10939)]