20816769936

素因数分解:

$2^4\times 3^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{144899}}^1$

素因数の和:145024

約数の個数: 80

約数和(自身を含む): 55843300800

約数和(自身を除く): 35026530864

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 41, 48, 73, 82, 123, 146, 164, 219, 246, 292, 328, 438, 492, 584, 656, 876, 984, 1168, 1752, 1968, 2993, 3504, 5986, 8979, 11972, 17958, 23944, 35916, 47888, 71832, 143664, 144899, 289798, 434697, 579596, 869394, 1159192, 1738788, 2318384, 3477576, 5940859, 6955152, 10577627, 11881718, 17822577, 21155254, 23763436, 31732881, 35645154, 42310508, 47526872, 63465762, 71290308, 84621016, 95053744, 126931524, 142580616, 169242032, 253863048, 285161232, 433682707, 507726096, 867365414, 1301048121, 1734730828, 2602096242, 3469461656, 5204192484, 6938923312, 10408384968, 20816769936]

約数ペア:

[(1, 20816769936), (2, 10408384968), (3, 6938923312), (4, 5204192484), (6, 3469461656), (8, 2602096242), (12, 1734730828), (16, 1301048121), (24, 867365414), (41, 507726096), (48, 433682707), (73, 285161232), (82, 253863048), (123, 169242032), (146, 142580616), (164, 126931524), (219, 95053744), (246, 84621016), (292, 71290308), (328, 63465762), (438, 47526872), (492, 42310508), (584, 35645154), (656, 31732881), (876, 23763436), (984, 21155254), (1168, 17822577), (1752, 11881718), (1968, 10577627), (2993, 6955152), (3504, 5940859), (5986, 3477576), (8979, 2318384), (11972, 1738788), (17958, 1159192), (23944, 869394), (35916, 579596), (47888, 434697), (71832, 289798), (143664, 144899)]