20869710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{271}}^1$

素因数の和:449

約数の個数: 64

約数和(自身を含む): 53581824

約数和(自身を除く): 32712114

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 151, 170, 255, 271, 302, 453, 510, 542, 755, 813, 906, 1355, 1510, 1626, 2265, 2567, 2710, 4065, 4530, 4607, 5134, 7701, 8130, 9214, 12835, 13821, 15402, 23035, 25670, 27642, 38505, 40921, 46070, 69105, 77010, 81842, 122763, 138210, 204605, 245526, 409210, 613815, 695657, 1227630, 1391314, 2086971, 3478285, 4173942, 6956570, 10434855, 20869710]

約数ペア:

[(1, 20869710), (2, 10434855), (3, 6956570), (5, 4173942), (6, 3478285), (10, 2086971), (15, 1391314), (17, 1227630), (30, 695657), (34, 613815), (51, 409210), (85, 245526), (102, 204605), (151, 138210), (170, 122763), (255, 81842), (271, 77010), (302, 69105), (453, 46070), (510, 40921), (542, 38505), (755, 27642), (813, 25670), (906, 23035), (1355, 15402), (1510, 13821), (1626, 12835), (2265, 9214), (2567, 8130), (2710, 7701), (4065, 5134), (4530, 4607)]