20993928

素因数分解:

$2^3\times 3^1\times {\mathrm{499}}^1\times {\mathrm{1753}}^1$

素因数の和:2261

約数の個数: 32

約数和(自身を含む): 52620000

約数和(自身を除く): 31626072

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 499, 998, 1497, 1753, 1996, 2994, 3506, 3992, 5259, 5988, 7012, 10518, 11976, 14024, 21036, 42072, 874747, 1749494, 2624241, 3498988, 5248482, 6997976, 10496964, 20993928]

約数ペア:

[(1, 20993928), (2, 10496964), (3, 6997976), (4, 5248482), (6, 3498988), (8, 2624241), (12, 1749494), (24, 874747), (499, 42072), (998, 21036), (1497, 14024), (1753, 11976), (1996, 10518), (2994, 7012), (3506, 5988), (3992, 5259)]