20147006990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1249}}^1\times {\mathrm{13331}}^1$

素因数の和:14609

約数の個数: 48

約数和(自身を含む): 39896010000

約数和(自身を除く): 19749003010

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 1249, 2498, 6245, 12490, 13331, 13739, 26662, 27478, 66655, 68695, 133310, 137390, 146641, 151129, 293282, 302258, 733205, 755645, 1466410, 1511290, 1613051, 3226102, 8065255, 16130510, 16650419, 33300838, 83252095, 166504190, 183154609, 366309218, 915773045, 1831546090, 2014700699, 4029401398, 10073503495, 20147006990]

約数ペア:

[(1, 20147006990), (2, 10073503495), (5, 4029401398), (10, 2014700699), (11, 1831546090), (22, 915773045), (55, 366309218), (110, 183154609), (121, 166504190), (242, 83252095), (605, 33300838), (1210, 16650419), (1249, 16130510), (2498, 8065255), (6245, 3226102), (12490, 1613051), (13331, 1511290), (13739, 1466410), (26662, 755645), (27478, 733205), (66655, 302258), (68695, 293282), (133310, 151129), (137390, 146641)]