20178526020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{79}}^2\times {\mathrm{53887}}^1$

素因数の和:54057

約数の個数: 72

約数和(自身を含む): 57225176064

約数和(自身を除く): 37046650044

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 79, 158, 237, 316, 395, 474, 790, 948, 1185, 1580, 2370, 4740, 6241, 12482, 18723, 24964, 31205, 37446, 53887, 62410, 74892, 93615, 107774, 124820, 161661, 187230, 215548, 269435, 323322, 374460, 538870, 646644, 808305, 1077740, 1616610, 3233220, 4257073, 8514146, 12771219, 17028292, 21285365, 25542438, 42570730, 51084876, 63856095, 85141460, 127712190, 255424380, 336308767, 672617534, 1008926301, 1345235068, 1681543835, 2017852602, 3363087670, 4035705204, 5044631505, 6726175340, 10089263010, 20178526020]

約数ペア:

[(1, 20178526020), (2, 10089263010), (3, 6726175340), (4, 5044631505), (5, 4035705204), (6, 3363087670), (10, 2017852602), (12, 1681543835), (15, 1345235068), (20, 1008926301), (30, 672617534), (60, 336308767), (79, 255424380), (158, 127712190), (237, 85141460), (316, 63856095), (395, 51084876), (474, 42570730), (790, 25542438), (948, 21285365), (1185, 17028292), (1580, 12771219), (2370, 8514146), (4740, 4257073), (6241, 3233220), (12482, 1616610), (18723, 1077740), (24964, 808305), (31205, 646644), (37446, 538870), (53887, 374460), (62410, 323322), (74892, 269435), (93615, 215548), (107774, 187230), (124820, 161661)]