20774005

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{211}}^1$

素因数の和:349

約数の個数: 32

約数和(自身を含む): 29917440

約数和(自身を除く): 9143435

約数列:

[1, 5, 7, 29, 35, 97, 145, 203, 211, 485, 679, 1015, 1055, 1477, 2813, 3395, 6119, 7385, 14065, 19691, 20467, 30595, 42833, 98455, 102335, 143269, 214165, 593543, 716345, 2967715, 4154801, 20774005]

約数ペア:

[(1, 20774005), (5, 4154801), (7, 2967715), (29, 716345), (35, 593543), (97, 214165), (145, 143269), (203, 102335), (211, 98455), (485, 42833), (679, 30595), (1015, 20467), (1055, 19691), (1477, 14065), (2813, 7385), (3395, 6119)]