20921112817

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{571}}^1\times {\mathrm{773}}^1$

素因数の和:1525

約数の個数: 32

約数和(自身を含む): 23801057280

約数和(自身を除く): 2879944463

約数列:

[1, 11, 31, 139, 341, 571, 773, 1529, 4309, 6281, 8503, 17701, 23963, 47399, 79369, 107447, 194711, 263593, 441383, 873059, 1181917, 2460439, 3330857, 4855213, 13682873, 27064829, 36639427, 61352237, 150511603, 674874607, 1901919347, 20921112817]

約数ペア:

[(1, 20921112817), (11, 1901919347), (31, 674874607), (139, 150511603), (341, 61352237), (571, 36639427), (773, 27064829), (1529, 13682873), (4309, 4855213), (6281, 3330857), (8503, 2460439), (17701, 1181917), (23963, 873059), (47399, 441383), (79369, 263593), (107447, 194711)]