20787410

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{7243}}^1$

素因数の和:7298

約数の個数: 32

約数和(自身を含む): 43811712

約数和(自身を除く): 23024302

約数列:

[1, 2, 5, 7, 10, 14, 35, 41, 70, 82, 205, 287, 410, 574, 1435, 2870, 7243, 14486, 36215, 50701, 72430, 101402, 253505, 296963, 507010, 593926, 1484815, 2078741, 2969630, 4157482, 10393705, 20787410]

約数ペア:

[(1, 20787410), (2, 10393705), (5, 4157482), (7, 2969630), (10, 2078741), (14, 1484815), (35, 593926), (41, 507010), (70, 296963), (82, 253505), (205, 101402), (287, 72430), (410, 50701), (574, 36215), (1435, 14486), (2870, 7243)]