20120042590

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{2287}}^1\times {\mathrm{2437}}^1$

素因数の和:4769

約数の個数: 48

約数和(自身を含む): 38254911552

約数和(自身を除く): 18134868962

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 361, 722, 1805, 2287, 2437, 3610, 4574, 4874, 11435, 12185, 22870, 24370, 43453, 46303, 86906, 92606, 217265, 231515, 434530, 463030, 825607, 879757, 1651214, 1759514, 4128035, 4398785, 5573419, 8256070, 8797570, 11146838, 27867095, 55734190, 105894961, 211789922, 529474805, 1058949610, 2012004259, 4024008518, 10060021295, 20120042590]

約数ペア:

[(1, 20120042590), (2, 10060021295), (5, 4024008518), (10, 2012004259), (19, 1058949610), (38, 529474805), (95, 211789922), (190, 105894961), (361, 55734190), (722, 27867095), (1805, 11146838), (2287, 8797570), (2437, 8256070), (3610, 5573419), (4574, 4398785), (4874, 4128035), (11435, 1759514), (12185, 1651214), (22870, 879757), (24370, 825607), (43453, 463030), (46303, 434530), (86906, 231515), (92606, 217265)]