20701120

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{5881}}^1$

素因数の和:5909

約数の個数: 56

約数和(自身を含む): 53785008

約数和(自身を除く): 33083888

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 160, 176, 220, 320, 352, 440, 704, 880, 1760, 3520, 5881, 11762, 23524, 29405, 47048, 58810, 64691, 94096, 117620, 129382, 188192, 235240, 258764, 323455, 376384, 470480, 517528, 646910, 940960, 1035056, 1293820, 1881920, 2070112, 2587640, 4140224, 5175280, 10350560, 20701120]

約数ペア:

[(1, 20701120), (2, 10350560), (4, 5175280), (5, 4140224), (8, 2587640), (10, 2070112), (11, 1881920), (16, 1293820), (20, 1035056), (22, 940960), (32, 646910), (40, 517528), (44, 470480), (55, 376384), (64, 323455), (80, 258764), (88, 235240), (110, 188192), (160, 129382), (176, 117620), (220, 94096), (320, 64691), (352, 58810), (440, 47048), (704, 29405), (880, 23524), (1760, 11762), (3520, 5881)]