20257334881

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{59}}^2\times {\mathrm{109}}^1\times {\mathrm{263}}^1$

素因数の和:526

約数の個数: 48

約数和(自身を含む): 24679353600

約数和(自身を除く): 4422018719

約数列:

[1, 7, 29, 59, 109, 203, 263, 413, 763, 1711, 1841, 3161, 3481, 6431, 7627, 11977, 15517, 22127, 24367, 28667, 45017, 53389, 100949, 108619, 186499, 200669, 379429, 449993, 706643, 831343, 915503, 1305493, 1691353, 2656003, 3149951, 5819401, 6408521, 11003441, 11839471, 26549587, 49049237, 77024087, 99789827, 185847109, 343344659, 698528789, 2893904983, 20257334881]

約数ペア:

[(1, 20257334881), (7, 2893904983), (29, 698528789), (59, 343344659), (109, 185847109), (203, 99789827), (263, 77024087), (413, 49049237), (763, 26549587), (1711, 11839471), (1841, 11003441), (3161, 6408521), (3481, 5819401), (6431, 3149951), (7627, 2656003), (11977, 1691353), (15517, 1305493), (22127, 915503), (24367, 831343), (28667, 706643), (45017, 449993), (53389, 379429), (100949, 200669), (108619, 186499)]