20081530

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{12473}}^1$

素因数の和:12510

約数の個数: 32

約数和(自身を含む): 43110144

約数和(自身を除く): 23028614

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 230, 322, 805, 1610, 12473, 24946, 62365, 87311, 124730, 174622, 286879, 436555, 573758, 873110, 1434395, 2008153, 2868790, 4016306, 10040765, 20081530]

約数ペア:

[(1, 20081530), (2, 10040765), (5, 4016306), (7, 2868790), (10, 2008153), (14, 1434395), (23, 873110), (35, 573758), (46, 436555), (70, 286879), (115, 174622), (161, 124730), (230, 87311), (322, 62365), (805, 24946), (1610, 12473)]