20771894

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{1231}}^1$

素因数の和:1316

約数の個数: 32

約数和(自身を含む): 37255680

約数和(自身を除く): 16483786

約数列:

[1, 2, 11, 13, 22, 26, 59, 118, 143, 286, 649, 767, 1231, 1298, 1534, 2462, 8437, 13541, 16003, 16874, 27082, 32006, 72629, 145258, 176033, 352066, 798919, 944177, 1597838, 1888354, 10385947, 20771894]

約数ペア:

[(1, 20771894), (2, 10385947), (11, 1888354), (13, 1597838), (22, 944177), (26, 798919), (59, 352066), (118, 176033), (143, 145258), (286, 72629), (649, 32006), (767, 27082), (1231, 16874), (1298, 16003), (1534, 13541), (2462, 8437)]