20087982145

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{353}}^1\times {\mathrm{1871}}^1$

素因数の和:2326

約数の個数: 64

約数和(自身を含む): 30536663040

約数和(自身を除く): 10448680895

約数列:

[1, 5, 7, 11, 35, 55, 77, 79, 353, 385, 395, 553, 869, 1765, 1871, 2471, 2765, 3883, 4345, 6083, 9355, 12355, 13097, 19415, 20581, 27181, 27887, 30415, 65485, 102905, 135905, 139435, 144067, 147809, 195209, 306757, 660463, 720335, 739045, 976045, 1034663, 1533785, 1625899, 2147299, 3302315, 4623241, 5173315, 7265093, 8129495, 10736495, 11381293, 23116205, 36325465, 50855651, 52176577, 56906465, 254278255, 260882885, 365236039, 573942347, 1826180195, 2869711735, 4017596429, 20087982145]

約数ペア:

[(1, 20087982145), (5, 4017596429), (7, 2869711735), (11, 1826180195), (35, 573942347), (55, 365236039), (77, 260882885), (79, 254278255), (353, 56906465), (385, 52176577), (395, 50855651), (553, 36325465), (869, 23116205), (1765, 11381293), (1871, 10736495), (2471, 8129495), (2765, 7265093), (3883, 5173315), (4345, 4623241), (6083, 3302315), (9355, 2147299), (12355, 1625899), (13097, 1533785), (19415, 1034663), (20581, 976045), (27181, 739045), (27887, 720335), (30415, 660463), (65485, 306757), (102905, 195209), (135905, 147809), (139435, 144067)]