20034780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{4703}}^1$

素因数の和:4786

約数の個数: 48

約数和(自身を含む): 56899584

約数和(自身を除く): 36864804

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 1065, 1420, 2130, 4260, 4703, 9406, 14109, 18812, 23515, 28218, 47030, 56436, 70545, 94060, 141090, 282180, 333913, 667826, 1001739, 1335652, 1669565, 2003478, 3339130, 4006956, 5008695, 6678260, 10017390, 20034780]

約数ペア:

[(1, 20034780), (2, 10017390), (3, 6678260), (4, 5008695), (5, 4006956), (6, 3339130), (10, 2003478), (12, 1669565), (15, 1335652), (20, 1001739), (30, 667826), (60, 333913), (71, 282180), (142, 141090), (213, 94060), (284, 70545), (355, 56436), (426, 47030), (710, 28218), (852, 23515), (1065, 18812), (1420, 14109), (2130, 9406), (4260, 4703)]