20187680240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2773033}}^1$

素因数の和:2773066

約数の個数: 80

約数和(自身を含む): 57767844288

約数和(自身を除く): 37580164048

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7280, 2773033, 5546066, 11092132, 13865165, 19411231, 22184264, 27730330, 36049429, 38822462, 44368528, 55460660, 72098858, 77644924, 97056155, 110921320, 144197716, 155289848, 180247145, 194112310, 221842640, 252346003, 288395432, 310579696, 360494290, 388224620, 504692006, 576790864, 720988580, 776449240, 1009384012, 1261730015, 1441977160, 1552898480, 2018768024, 2523460030, 2883954320, 4037536048, 5046920060, 10093840120, 20187680240]

約数ペア:

[(1, 20187680240), (2, 10093840120), (4, 5046920060), (5, 4037536048), (7, 2883954320), (8, 2523460030), (10, 2018768024), (13, 1552898480), (14, 1441977160), (16, 1261730015), (20, 1009384012), (26, 776449240), (28, 720988580), (35, 576790864), (40, 504692006), (52, 388224620), (56, 360494290), (65, 310579696), (70, 288395432), (80, 252346003), (91, 221842640), (104, 194112310), (112, 180247145), (130, 155289848), (140, 144197716), (182, 110921320), (208, 97056155), (260, 77644924), (280, 72098858), (364, 55460660), (455, 44368528), (520, 38822462), (560, 36049429), (728, 27730330), (910, 22184264), (1040, 19411231), (1456, 13865165), (1820, 11092132), (3640, 5546066), (7280, 2773033)]