20012344965

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{623729}}^1$

素因数の和:623794

約数の個数: 48

約数和(自身を含む): 37363921920

約数和(自身を除く): 17351576955

約数列:

[1, 3, 5, 9, 15, 23, 31, 45, 69, 93, 115, 155, 207, 279, 345, 465, 713, 1035, 1395, 2139, 3565, 6417, 10695, 32085, 623729, 1871187, 3118645, 5613561, 9355935, 14345767, 19335599, 28067805, 43037301, 58006797, 71728835, 96677995, 129111903, 174020391, 215186505, 290033985, 444718777, 645559515, 870101955, 1334156331, 2223593885, 4002468993, 6670781655, 20012344965]

約数ペア:

[(1, 20012344965), (3, 6670781655), (5, 4002468993), (9, 2223593885), (15, 1334156331), (23, 870101955), (31, 645559515), (45, 444718777), (69, 290033985), (93, 215186505), (115, 174020391), (155, 129111903), (207, 96677995), (279, 71728835), (345, 58006797), (465, 43037301), (713, 28067805), (1035, 19335599), (1395, 14345767), (2139, 9355935), (3565, 5613561), (6417, 3118645), (10695, 1871187), (32085, 623729)]