20001282

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{257}}^1$

素因数の和:395

約数の個数: 64

約数和(自身を含む): 49040640

約数和(自身を除く): 29039358

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 51, 102, 109, 119, 218, 238, 257, 327, 357, 514, 654, 714, 763, 771, 1526, 1542, 1799, 1853, 2289, 3598, 3706, 4369, 4578, 5397, 5559, 8738, 10794, 11118, 12971, 13107, 25942, 26214, 28013, 30583, 38913, 56026, 61166, 77826, 84039, 91749, 168078, 183498, 196091, 392182, 476221, 588273, 952442, 1176546, 1428663, 2857326, 3333547, 6667094, 10000641, 20001282]

約数ペア:

[(1, 20001282), (2, 10000641), (3, 6667094), (6, 3333547), (7, 2857326), (14, 1428663), (17, 1176546), (21, 952442), (34, 588273), (42, 476221), (51, 392182), (102, 196091), (109, 183498), (119, 168078), (218, 91749), (238, 84039), (257, 77826), (327, 61166), (357, 56026), (514, 38913), (654, 30583), (714, 28013), (763, 26214), (771, 25942), (1526, 13107), (1542, 12971), (1799, 11118), (1853, 10794), (2289, 8738), (3598, 5559), (3706, 5397), (4369, 4578)]