20438928

素因数分解:

$2^4\times 3^2\times {\mathrm{141937}}^1$

素因数の和:141951

約数の個数: 30

約数和(自身を含む): 57201014

約数和(自身を除く): 36762086

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 141937, 283874, 425811, 567748, 851622, 1135496, 1277433, 1703244, 2270992, 2554866, 3406488, 5109732, 6812976, 10219464, 20438928]

約数ペア:

[(1, 20438928), (2, 10219464), (3, 6812976), (4, 5109732), (6, 3406488), (8, 2554866), (9, 2270992), (12, 1703244), (16, 1277433), (18, 1135496), (24, 851622), (36, 567748), (48, 425811), (72, 283874), (144, 141937)]