20823930

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{577}}^1$

素因数の和:991

約数の個数: 48

約数和(自身を含む): 54371304

約数和(自身を除く): 33547374

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 401, 577, 802, 1154, 1203, 1731, 2005, 2406, 2885, 3462, 3609, 4010, 5193, 5770, 6015, 7218, 8655, 10386, 12030, 17310, 18045, 25965, 36090, 51930, 231377, 462754, 694131, 1156885, 1388262, 2082393, 2313770, 3470655, 4164786, 6941310, 10411965, 20823930]

約数ペア:

[(1, 20823930), (2, 10411965), (3, 6941310), (5, 4164786), (6, 3470655), (9, 2313770), (10, 2082393), (15, 1388262), (18, 1156885), (30, 694131), (45, 462754), (90, 231377), (401, 51930), (577, 36090), (802, 25965), (1154, 18045), (1203, 17310), (1731, 12030), (2005, 10386), (2406, 8655), (2885, 7218), (3462, 6015), (3609, 5770), (4010, 5193)]