20746660968

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{76819}}^1$

素因数の和:76884

約数の個数: 144

約数和(自身を含む): 63754454400

約数和(自身を除く): 43007793432

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 31, 33, 36, 44, 62, 66, 72, 88, 93, 99, 121, 124, 132, 186, 198, 242, 248, 264, 279, 341, 363, 372, 396, 484, 558, 682, 726, 744, 792, 968, 1023, 1089, 1116, 1364, 1452, 2046, 2178, 2232, 2728, 2904, 3069, 3751, 4092, 4356, 6138, 7502, 8184, 8712, 11253, 12276, 15004, 22506, 24552, 30008, 33759, 45012, 67518, 76819, 90024, 135036, 153638, 230457, 270072, 307276, 460914, 614552, 691371, 845009, 921828, 1382742, 1690018, 1843656, 2381389, 2535027, 2765484, 3380036, 4762778, 5070054, 5530968, 6760072, 7144167, 7605081, 9295099, 9525556, 10140108, 14288334, 15210162, 18590198, 19051112, 20280216, 21432501, 26195279, 27885297, 28576668, 30420324, 37180396, 42865002, 52390558, 55770594, 57153336, 60840648, 74360792, 78585837, 83655891, 85730004, 104781116, 111541188, 157171674, 167311782, 171460008, 209562232, 223082376, 235757511, 288148069, 314343348, 334623564, 471515022, 576296138, 628686696, 669247128, 864444207, 943030044, 1152592276, 1728888414, 1886060088, 2305184552, 2593332621, 3457776828, 5186665242, 6915553656, 10373330484, 20746660968]

約数ペア:

[(1, 20746660968), (2, 10373330484), (3, 6915553656), (4, 5186665242), (6, 3457776828), (8, 2593332621), (9, 2305184552), (11, 1886060088), (12, 1728888414), (18, 1152592276), (22, 943030044), (24, 864444207), (31, 669247128), (33, 628686696), (36, 576296138), (44, 471515022), (62, 334623564), (66, 314343348), (72, 288148069), (88, 235757511), (93, 223082376), (99, 209562232), (121, 171460008), (124, 167311782), (132, 157171674), (186, 111541188), (198, 104781116), (242, 85730004), (248, 83655891), (264, 78585837), (279, 74360792), (341, 60840648), (363, 57153336), (372, 55770594), (396, 52390558), (484, 42865002), (558, 37180396), (682, 30420324), (726, 28576668), (744, 27885297), (792, 26195279), (968, 21432501), (1023, 20280216), (1089, 19051112), (1116, 18590198), (1364, 15210162), (1452, 14288334), (2046, 10140108), (2178, 9525556), (2232, 9295099), (2728, 7605081), (2904, 7144167), (3069, 6760072), (3751, 5530968), (4092, 5070054), (4356, 4762778), (6138, 3380036), (7502, 2765484), (8184, 2535027), (8712, 2381389), (11253, 1843656), (12276, 1690018), (15004, 1382742), (22506, 921828), (24552, 845009), (30008, 691371), (33759, 614552), (45012, 460914), (67518, 307276), (76819, 270072), (90024, 230457), (135036, 153638)]