20287176

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1327}}^1$

素因数の和:1363

約数の個数: 96

約数和(自身を含む): 63584640

約数和(自身を除く): 43297464

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 49, 52, 56, 78, 84, 91, 98, 104, 147, 156, 168, 182, 196, 273, 294, 312, 364, 392, 546, 588, 637, 728, 1092, 1176, 1274, 1327, 1911, 2184, 2548, 2654, 3822, 3981, 5096, 5308, 7644, 7962, 9289, 10616, 15288, 15924, 17251, 18578, 27867, 31848, 34502, 37156, 51753, 55734, 65023, 69004, 74312, 103506, 111468, 120757, 130046, 138008, 195069, 207012, 222936, 241514, 260092, 362271, 390138, 414024, 483028, 520184, 724542, 780276, 845299, 966056, 1449084, 1560552, 1690598, 2535897, 2898168, 3381196, 5071794, 6762392, 10143588, 20287176]

約数ペア:

[(1, 20287176), (2, 10143588), (3, 6762392), (4, 5071794), (6, 3381196), (7, 2898168), (8, 2535897), (12, 1690598), (13, 1560552), (14, 1449084), (21, 966056), (24, 845299), (26, 780276), (28, 724542), (39, 520184), (42, 483028), (49, 414024), (52, 390138), (56, 362271), (78, 260092), (84, 241514), (91, 222936), (98, 207012), (104, 195069), (147, 138008), (156, 130046), (168, 120757), (182, 111468), (196, 103506), (273, 74312), (294, 69004), (312, 65023), (364, 55734), (392, 51753), (546, 37156), (588, 34502), (637, 31848), (728, 27867), (1092, 18578), (1176, 17251), (1274, 15924), (1327, 15288), (1911, 10616), (2184, 9289), (2548, 7962), (2654, 7644), (3822, 5308), (3981, 5096)]