20457744

素因数分解:

$2^4\times 3^1\times {\mathrm{37}}^1\times {\mathrm{11519}}^1$

素因数の和:11567

約数の個数: 40

約数和(自身を含む): 54282240

約数和(自身を除く): 33824496

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 37, 48, 74, 111, 148, 222, 296, 444, 592, 888, 1776, 11519, 23038, 34557, 46076, 69114, 92152, 138228, 184304, 276456, 426203, 552912, 852406, 1278609, 1704812, 2557218, 3409624, 5114436, 6819248, 10228872, 20457744]

約数ペア:

[(1, 20457744), (2, 10228872), (3, 6819248), (4, 5114436), (6, 3409624), (8, 2557218), (12, 1704812), (16, 1278609), (24, 852406), (37, 552912), (48, 426203), (74, 276456), (111, 184304), (148, 138228), (222, 92152), (296, 69114), (444, 46076), (592, 34557), (888, 23038), (1776, 11519)]