20538861256

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{11483}}^1$

素因数の和:11674

約数の個数: 64

約数和(自身を含む): 40482478080

約数和(自身を除く): 19943616824

約数列:

[1, 2, 4, 8, 47, 67, 71, 94, 134, 142, 188, 268, 284, 376, 536, 568, 3149, 3337, 4757, 6298, 6674, 9514, 11483, 12596, 13348, 19028, 22966, 25192, 26696, 38056, 45932, 91864, 223579, 447158, 539701, 769361, 815293, 894316, 1079402, 1538722, 1630586, 1788632, 2158804, 3077444, 3261172, 4317608, 6154888, 6522344, 36159967, 38318771, 54624631, 72319934, 76637542, 109249262, 144639868, 153275084, 218498524, 289279736, 306550168, 436997048, 2567357657, 5134715314, 10269430628, 20538861256]

約数ペア:

[(1, 20538861256), (2, 10269430628), (4, 5134715314), (8, 2567357657), (47, 436997048), (67, 306550168), (71, 289279736), (94, 218498524), (134, 153275084), (142, 144639868), (188, 109249262), (268, 76637542), (284, 72319934), (376, 54624631), (536, 38318771), (568, 36159967), (3149, 6522344), (3337, 6154888), (4757, 4317608), (6298, 3261172), (6674, 3077444), (9514, 2158804), (11483, 1788632), (12596, 1630586), (13348, 1538722), (19028, 1079402), (22966, 894316), (25192, 815293), (26696, 769361), (38056, 539701), (45932, 447158), (91864, 223579)]