20201918457

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{196687}}^1$

素因数の和:196837

約数の個数: 32

約数和(自身を含む): 31671488512

約数和(自身を除く): 11469570055

約数列:

[1, 3, 7, 21, 67, 73, 201, 219, 469, 511, 1407, 1533, 4891, 14673, 34237, 102711, 196687, 590061, 1376809, 4130427, 13178029, 14358151, 39534087, 43074453, 92246203, 100507057, 276738609, 301521171, 961996117, 2885988351, 6733972819, 20201918457]

約数ペア:

[(1, 20201918457), (3, 6733972819), (7, 2885988351), (21, 961996117), (67, 301521171), (73, 276738609), (201, 100507057), (219, 92246203), (469, 43074453), (511, 39534087), (1407, 14358151), (1533, 13178029), (4891, 4130427), (14673, 1376809), (34237, 590061), (102711, 196687)]