20201342450

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{299501}}^1$

素因数の和:299603

約数の個数: 48

約数和(自身を含む): 40109307840

約数和(自身を除く): 19907965390

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 71, 95, 142, 190, 355, 475, 710, 950, 1349, 1775, 2698, 3550, 6745, 13490, 33725, 67450, 299501, 599002, 1497505, 2995010, 5690519, 7487525, 11381038, 14975050, 21264571, 28452595, 42529142, 56905190, 106322855, 142262975, 212645710, 284525950, 404026849, 531614275, 808053698, 1063228550, 2020134245, 4040268490, 10100671225, 20201342450]

約数ペア:

[(1, 20201342450), (2, 10100671225), (5, 4040268490), (10, 2020134245), (19, 1063228550), (25, 808053698), (38, 531614275), (50, 404026849), (71, 284525950), (95, 212645710), (142, 142262975), (190, 106322855), (355, 56905190), (475, 42529142), (710, 28452595), (950, 21264571), (1349, 14975050), (1775, 11381038), (2698, 7487525), (3550, 5690519), (6745, 2995010), (13490, 1497505), (33725, 599002), (67450, 299501)]