20217690

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{9767}}^1$

素因数の和:9803

約数の個数: 48

約数和(自身を含む): 54857088

約数和(自身を除く): 34639398

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 45, 46, 69, 90, 115, 138, 207, 230, 345, 414, 690, 1035, 2070, 9767, 19534, 29301, 48835, 58602, 87903, 97670, 146505, 175806, 224641, 293010, 439515, 449282, 673923, 879030, 1123205, 1347846, 2021769, 2246410, 3369615, 4043538, 6739230, 10108845, 20217690]

約数ペア:

[(1, 20217690), (2, 10108845), (3, 6739230), (5, 4043538), (6, 3369615), (9, 2246410), (10, 2021769), (15, 1347846), (18, 1123205), (23, 879030), (30, 673923), (45, 449282), (46, 439515), (69, 293010), (90, 224641), (115, 175806), (138, 146505), (207, 97670), (230, 87903), (345, 58602), (414, 48835), (690, 29301), (1035, 19534), (2070, 9767)]