20450490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{40099}}^1$

素因数の和:40126

約数の個数: 32

約数和(自身を含む): 51969600

約数和(自身を除く): 31519110

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 510, 40099, 80198, 120297, 200495, 240594, 400990, 601485, 681683, 1202970, 1363366, 2045049, 3408415, 4090098, 6816830, 10225245, 20450490]

約数ペア:

[(1, 20450490), (2, 10225245), (3, 6816830), (5, 4090098), (6, 3408415), (10, 2045049), (15, 1363366), (17, 1202970), (30, 681683), (34, 601485), (51, 400990), (85, 240594), (102, 200495), (170, 120297), (255, 80198), (510, 40099)]