20131493768

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{173}}^1\times {\mathrm{389}}^1\times {\mathrm{613}}^1$

素因数の和:1242

約数の個数: 64

約数和(自身を含む): 38749417200

約数和(自身を除く): 18617923432

約数列:

[1, 2, 4, 8, 61, 122, 173, 244, 346, 389, 488, 613, 692, 778, 1226, 1384, 1556, 2452, 3112, 4904, 10553, 21106, 23729, 37393, 42212, 47458, 67297, 74786, 84424, 94916, 106049, 134594, 149572, 189832, 212098, 238457, 269188, 299144, 424196, 476914, 538376, 848392, 953828, 1907656, 4105117, 6468989, 8210234, 12937978, 14545877, 16420468, 25875956, 29091754, 32840936, 41253061, 51751912, 58183508, 82506122, 116367016, 165012244, 330024488, 2516436721, 5032873442, 10065746884, 20131493768]

約数ペア:

[(1, 20131493768), (2, 10065746884), (4, 5032873442), (8, 2516436721), (61, 330024488), (122, 165012244), (173, 116367016), (244, 82506122), (346, 58183508), (389, 51751912), (488, 41253061), (613, 32840936), (692, 29091754), (778, 25875956), (1226, 16420468), (1384, 14545877), (1556, 12937978), (2452, 8210234), (3112, 6468989), (4904, 4105117), (10553, 1907656), (21106, 953828), (23729, 848392), (37393, 538376), (42212, 476914), (47458, 424196), (67297, 299144), (74786, 269188), (84424, 238457), (94916, 212098), (106049, 189832), (134594, 149572)]