20849207064

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{519257}}^1$

素因数の和:519512

約数の個数: 64

約数和(自身を含む): 59818521600

約数和(自身を除く): 38969314536

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 239, 478, 717, 956, 1434, 1673, 1912, 2868, 3346, 5019, 5736, 6692, 10038, 13384, 20076, 40152, 519257, 1038514, 1557771, 2077028, 3115542, 3634799, 4154056, 6231084, 7269598, 10904397, 12462168, 14539196, 21808794, 29078392, 43617588, 87235176, 124102423, 248204846, 372307269, 496409692, 744614538, 868716961, 992819384, 1489229076, 1737433922, 2606150883, 2978458152, 3474867844, 5212301766, 6949735688, 10424603532, 20849207064]

約数ペア:

[(1, 20849207064), (2, 10424603532), (3, 6949735688), (4, 5212301766), (6, 3474867844), (7, 2978458152), (8, 2606150883), (12, 1737433922), (14, 1489229076), (21, 992819384), (24, 868716961), (28, 744614538), (42, 496409692), (56, 372307269), (84, 248204846), (168, 124102423), (239, 87235176), (478, 43617588), (717, 29078392), (956, 21808794), (1434, 14539196), (1673, 12462168), (1912, 10904397), (2868, 7269598), (3346, 6231084), (5019, 4154056), (5736, 3634799), (6692, 3115542), (10038, 2077028), (13384, 1557771), (20076, 1038514), (40152, 519257)]