20175963216

素因数分解:

$2^4\times 3^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{257399}}^1$

素因数の和:257504

約数の個数: 80

約数和(自身を含む): 55153612800

約数和(自身を除く): 34977649584

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 46, 48, 69, 71, 92, 138, 142, 184, 213, 276, 284, 368, 426, 552, 568, 852, 1104, 1136, 1633, 1704, 3266, 3408, 4899, 6532, 9798, 13064, 19596, 26128, 39192, 78384, 257399, 514798, 772197, 1029596, 1544394, 2059192, 3088788, 4118384, 5920177, 6177576, 11840354, 12355152, 17760531, 18275329, 23680708, 35521062, 36550658, 47361416, 54825987, 71042124, 73101316, 94722832, 109651974, 142084248, 146202632, 219303948, 284168496, 292405264, 420332567, 438607896, 840665134, 877215792, 1260997701, 1681330268, 2521995402, 3362660536, 5043990804, 6725321072, 10087981608, 20175963216]

約数ペア:

[(1, 20175963216), (2, 10087981608), (3, 6725321072), (4, 5043990804), (6, 3362660536), (8, 2521995402), (12, 1681330268), (16, 1260997701), (23, 877215792), (24, 840665134), (46, 438607896), (48, 420332567), (69, 292405264), (71, 284168496), (92, 219303948), (138, 146202632), (142, 142084248), (184, 109651974), (213, 94722832), (276, 73101316), (284, 71042124), (368, 54825987), (426, 47361416), (552, 36550658), (568, 35521062), (852, 23680708), (1104, 18275329), (1136, 17760531), (1633, 12355152), (1704, 11840354), (3266, 6177576), (3408, 5920177), (4899, 4118384), (6532, 3088788), (9798, 2059192), (13064, 1544394), (19596, 1029596), (26128, 772197), (39192, 514798), (78384, 257399)]