20985540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{349759}}^1$

素因数の和:349771

約数の個数: 24

約数和(自身を含む): 58759680

約数和(自身を除く): 37774140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 349759, 699518, 1049277, 1399036, 1748795, 2098554, 3497590, 4197108, 5246385, 6995180, 10492770, 20985540]

約数ペア:

[(1, 20985540), (2, 10492770), (3, 6995180), (4, 5246385), (5, 4197108), (6, 3497590), (10, 2098554), (12, 1748795), (15, 1399036), (20, 1049277), (30, 699518), (60, 349759)]