20114465518

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{311}}^1\times {\mathrm{331}}^1\times {\mathrm{821}}^1$

素因数の和:1489

約数の個数: 64

約数和(自身を含む): 36783092736

約数和(自身を除く): 16668627218

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 311, 331, 622, 662, 821, 1642, 2177, 2317, 4354, 4634, 5287, 5627, 5747, 10574, 11254, 11494, 13957, 27914, 37009, 39389, 74018, 78778, 97699, 102941, 195398, 205882, 255331, 271751, 510662, 543502, 720587, 1441174, 1749997, 1787317, 1902257, 3499994, 3574634, 3804514, 4340627, 4619767, 8681254, 9239534, 12249979, 24499958, 30384389, 32338369, 60768778, 64676738, 84514561, 169029122, 591601927, 1183203854, 1436747537, 2873495074, 10057232759, 20114465518]

約数ペア:

[(1, 20114465518), (2, 10057232759), (7, 2873495074), (14, 1436747537), (17, 1183203854), (34, 591601927), (119, 169029122), (238, 84514561), (311, 64676738), (331, 60768778), (622, 32338369), (662, 30384389), (821, 24499958), (1642, 12249979), (2177, 9239534), (2317, 8681254), (4354, 4619767), (4634, 4340627), (5287, 3804514), (5627, 3574634), (5747, 3499994), (10574, 1902257), (11254, 1787317), (11494, 1749997), (13957, 1441174), (27914, 720587), (37009, 543502), (39389, 510662), (74018, 271751), (78778, 255331), (97699, 205882), (102941, 195398)]