20123849998

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^2\times {\mathrm{727}}^1\times {\mathrm{2351}}^1$

素因数の和:3145

約数の個数: 48

約数和(自身を含む): 35792999424

約数和(自身を除く): 15669149426

約数列:

[1, 2, 7, 14, 29, 58, 203, 406, 727, 841, 1454, 1682, 2351, 4702, 5089, 5887, 10178, 11774, 16457, 21083, 32914, 42166, 68179, 136358, 147581, 295162, 477253, 611407, 954506, 1222814, 1709177, 1977191, 3418354, 3954382, 4279849, 8559698, 11964239, 13840337, 23928478, 27680674, 49566133, 99132266, 346962931, 693925862, 1437417857, 2874835714, 10061924999, 20123849998]

約数ペア:

[(1, 20123849998), (2, 10061924999), (7, 2874835714), (14, 1437417857), (29, 693925862), (58, 346962931), (203, 99132266), (406, 49566133), (727, 27680674), (841, 23928478), (1454, 13840337), (1682, 11964239), (2351, 8559698), (4702, 4279849), (5089, 3954382), (5887, 3418354), (10178, 1977191), (11774, 1709177), (16457, 1222814), (21083, 954506), (32914, 611407), (42166, 477253), (68179, 295162), (136358, 147581)]