20304154

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{647}}^1$

素因数の和:750

約数の個数: 32

約数和(自身を含む): 35271936

約数和(自身を除く): 14967782

約数列:

[1, 2, 13, 17, 26, 34, 71, 142, 221, 442, 647, 923, 1207, 1294, 1846, 2414, 8411, 10999, 15691, 16822, 21998, 31382, 45937, 91874, 142987, 285974, 597181, 780929, 1194362, 1561858, 10152077, 20304154]

約数ペア:

[(1, 20304154), (2, 10152077), (13, 1561858), (17, 1194362), (26, 780929), (34, 597181), (71, 285974), (142, 142987), (221, 91874), (442, 45937), (647, 31382), (923, 21998), (1207, 16822), (1294, 15691), (1846, 10999), (2414, 8411)]