20759650

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1$

素因数の和:283

約数の個数: 48

約数和(自身を含む): 40622400

約数和(自身を除く): 19862750

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 103, 139, 145, 206, 278, 290, 515, 695, 725, 1030, 1390, 1450, 2575, 2987, 3475, 4031, 5150, 5974, 6950, 8062, 14317, 14935, 20155, 28634, 29870, 40310, 71585, 74675, 100775, 143170, 149350, 201550, 357925, 415193, 715850, 830386, 2075965, 4151930, 10379825, 20759650]

約数ペア:

[(1, 20759650), (2, 10379825), (5, 4151930), (10, 2075965), (25, 830386), (29, 715850), (50, 415193), (58, 357925), (103, 201550), (139, 149350), (145, 143170), (206, 100775), (278, 74675), (290, 71585), (515, 40310), (695, 29870), (725, 28634), (1030, 20155), (1390, 14935), (1450, 14317), (2575, 8062), (2987, 6950), (3475, 5974), (4031, 5150)]