20756490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{40699}}^1$

素因数の和:40726

約数の個数: 32

約数和(自身を含む): 52747200

約数和(自身を除く): 31990710

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 510, 40699, 81398, 122097, 203495, 244194, 406990, 610485, 691883, 1220970, 1383766, 2075649, 3459415, 4151298, 6918830, 10378245, 20756490]

約数ペア:

[(1, 20756490), (2, 10378245), (3, 6918830), (5, 4151298), (6, 3459415), (10, 2075649), (15, 1383766), (17, 1220970), (30, 691883), (34, 610485), (51, 406990), (85, 244194), (102, 203495), (170, 122097), (255, 81398), (510, 40699)]