20575996

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{19861}}^1$

素因数の和:19909

約数の個数: 24

約数和(自身を含む): 42266336

約数和(自身を除く): 21690340

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 518, 1036, 19861, 39722, 79444, 139027, 278054, 556108, 734857, 1469714, 2939428, 5143999, 10287998, 20575996]

約数ペア:

[(1, 20575996), (2, 10287998), (4, 5143999), (7, 2939428), (14, 1469714), (28, 734857), (37, 556108), (74, 278054), (148, 139027), (259, 79444), (518, 39722), (1036, 19861)]