20512328

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{773}}^1$

素因数の和:917

約数の個数: 32

約数和(自身を含む): 40124160

約数和(自身を除く): 19611832

約数列:

[1, 2, 4, 8, 31, 62, 107, 124, 214, 248, 428, 773, 856, 1546, 3092, 3317, 6184, 6634, 13268, 23963, 26536, 47926, 82711, 95852, 165422, 191704, 330844, 661688, 2564041, 5128082, 10256164, 20512328]

約数ペア:

[(1, 20512328), (2, 10256164), (4, 5128082), (8, 2564041), (31, 661688), (62, 330844), (107, 191704), (124, 165422), (214, 95852), (248, 82711), (428, 47926), (773, 26536), (856, 23963), (1546, 13268), (3092, 6634), (3317, 6184)]