20784928514

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2153}}^1\times {\mathrm{36293}}^1$

素因数の和:38474

約数の個数: 32

約数和(自身を含む): 37525092480

約数和(自身を除く): 16740163966

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 2153, 4306, 15071, 30142, 36293, 40907, 72586, 81814, 254051, 286349, 508102, 572698, 689567, 1379134, 4826969, 9653938, 78138829, 156277658, 546971803, 1093943606, 1484637751, 2969275502, 10392464257, 20784928514]

約数ペア:

[(1, 20784928514), (2, 10392464257), (7, 2969275502), (14, 1484637751), (19, 1093943606), (38, 546971803), (133, 156277658), (266, 78138829), (2153, 9653938), (4306, 4826969), (15071, 1379134), (30142, 689567), (36293, 572698), (40907, 508102), (72586, 286349), (81814, 254051)]