20124654849

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{271}}^1\times {\mathrm{647}}^1$

素因数の和:1052

約数の個数: 80

約数和(自身を含む): 32843543040

約数和(自身を除く): 12718888191

約数列:

[1, 3, 9, 13, 27, 39, 81, 109, 117, 271, 327, 351, 647, 813, 981, 1053, 1417, 1941, 2439, 2943, 3523, 4251, 5823, 7317, 8411, 8829, 10569, 12753, 17469, 21951, 25233, 29539, 31707, 38259, 52407, 70523, 75699, 88617, 95121, 114777, 175337, 211569, 227097, 265851, 285363, 384007, 526011, 634707, 681291, 797553, 916799, 1152021, 1578033, 1904121, 2279381, 2392659, 2750397, 3456063, 4734099, 5712363, 6838143, 8251191, 10368189, 14202297, 19111733, 20514429, 24753573, 31104567, 57335199, 61543287, 74260719, 172005597, 184629861, 248452529, 516016791, 745357587, 1548050373, 2236072761, 6708218283, 20124654849]

約数ペア:

[(1, 20124654849), (3, 6708218283), (9, 2236072761), (13, 1548050373), (27, 745357587), (39, 516016791), (81, 248452529), (109, 184629861), (117, 172005597), (271, 74260719), (327, 61543287), (351, 57335199), (647, 31104567), (813, 24753573), (981, 20514429), (1053, 19111733), (1417, 14202297), (1941, 10368189), (2439, 8251191), (2943, 6838143), (3523, 5712363), (4251, 4734099), (5823, 3456063), (7317, 2750397), (8411, 2392659), (8829, 2279381), (10569, 1904121), (12753, 1578033), (17469, 1152021), (21951, 916799), (25233, 797553), (29539, 681291), (31707, 634707), (38259, 526011), (52407, 384007), (70523, 285363), (75699, 265851), (88617, 227097), (95121, 211569), (114777, 175337)]