20176069220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2437}}^1\times {\mathrm{21787}}^1$

素因数の和:24252

約数の個数: 48

約数和(自身を含む): 44620080960

約数和(自身を除く): 24444011740

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 2437, 4874, 9748, 12185, 21787, 24370, 43574, 46303, 48740, 87148, 92606, 108935, 185212, 217870, 231515, 413953, 435740, 463030, 827906, 926060, 1655812, 2069765, 4139530, 8279060, 53094919, 106189838, 212379676, 265474595, 530949190, 1008803461, 1061898380, 2017606922, 4035213844, 5044017305, 10088034610, 20176069220]

約数ペア:

[(1, 20176069220), (2, 10088034610), (4, 5044017305), (5, 4035213844), (10, 2017606922), (19, 1061898380), (20, 1008803461), (38, 530949190), (76, 265474595), (95, 212379676), (190, 106189838), (380, 53094919), (2437, 8279060), (4874, 4139530), (9748, 2069765), (12185, 1655812), (21787, 926060), (24370, 827906), (43574, 463030), (46303, 435740), (48740, 413953), (87148, 231515), (92606, 217870), (108935, 185212)]