20178070091

素因数分解:

${\mathrm{19}}^2\times {\mathrm{41}}^3\times {\mathrm{811}}^1$

素因数の和:972

約数の個数: 24

約数和(自身を含む): 21855275568

約数和(自身を除く): 1677205477

約数列:

[1, 19, 41, 361, 779, 811, 1681, 14801, 15409, 31939, 33251, 68921, 292771, 606841, 631769, 1309499, 1363291, 12003611, 24880481, 25902529, 55894931, 492148051, 1062003689, 20178070091]

約数ペア:

[(1, 20178070091), (19, 1062003689), (41, 492148051), (361, 55894931), (779, 25902529), (811, 24880481), (1681, 12003611), (14801, 1363291), (15409, 1309499), (31939, 631769), (33251, 606841), (68921, 292771)]