20121482490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{66851}}^1$

素因数の和:67067

約数の個数: 64

約数和(自身を含む): 49288642560

約数和(自身を除く): 29167160070

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 79, 127, 158, 237, 254, 381, 395, 474, 635, 762, 790, 1185, 1270, 1905, 2370, 3810, 10033, 20066, 30099, 50165, 60198, 66851, 100330, 133702, 150495, 200553, 300990, 334255, 401106, 668510, 1002765, 2005530, 5281229, 8490077, 10562458, 15843687, 16980154, 25470231, 26406145, 31687374, 42450385, 50940462, 52812290, 79218435, 84900770, 127351155, 158436870, 254702310, 670716083, 1341432166, 2012148249, 3353580415, 4024296498, 6707160830, 10060741245, 20121482490]

約数ペア:

[(1, 20121482490), (2, 10060741245), (3, 6707160830), (5, 4024296498), (6, 3353580415), (10, 2012148249), (15, 1341432166), (30, 670716083), (79, 254702310), (127, 158436870), (158, 127351155), (237, 84900770), (254, 79218435), (381, 52812290), (395, 50940462), (474, 42450385), (635, 31687374), (762, 26406145), (790, 25470231), (1185, 16980154), (1270, 15843687), (1905, 10562458), (2370, 8490077), (3810, 5281229), (10033, 2005530), (20066, 1002765), (30099, 668510), (50165, 401106), (60198, 334255), (66851, 300990), (100330, 200553), (133702, 150495)]