20845998

素因数分解:

$2^1\times 3^5\times {\mathrm{59}}^1\times {\mathrm{727}}^1$

素因数の和:803

約数の個数: 48

約数和(自身を含む): 47698560

約数和(自身を除く): 26852562

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 59, 81, 118, 162, 177, 243, 354, 486, 531, 727, 1062, 1454, 1593, 2181, 3186, 4362, 4779, 6543, 9558, 13086, 14337, 19629, 28674, 39258, 42893, 58887, 85786, 117774, 128679, 176661, 257358, 353322, 386037, 772074, 1158111, 2316222, 3474333, 6948666, 10422999, 20845998]

約数ペア:

[(1, 20845998), (2, 10422999), (3, 6948666), (6, 3474333), (9, 2316222), (18, 1158111), (27, 772074), (54, 386037), (59, 353322), (81, 257358), (118, 176661), (162, 128679), (177, 117774), (243, 85786), (354, 58887), (486, 42893), (531, 39258), (727, 28674), (1062, 19629), (1454, 14337), (1593, 13086), (2181, 9558), (3186, 6543), (4362, 4779)]