20732855

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{271}}^1$

素因数の和:407

約数の個数: 32

約数和(自身を含む): 29611008

約数和(自身を除く): 8878153

約数列:

[1, 5, 11, 13, 55, 65, 107, 143, 271, 535, 715, 1177, 1355, 1391, 2981, 3523, 5885, 6955, 14905, 15301, 17615, 28997, 38753, 76505, 144985, 193765, 318967, 376961, 1594835, 1884805, 4146571, 20732855]

約数ペア:

[(1, 20732855), (5, 4146571), (11, 1884805), (13, 1594835), (55, 376961), (65, 318967), (107, 193765), (143, 144985), (271, 76505), (535, 38753), (715, 28997), (1177, 17615), (1355, 15301), (1391, 14905), (2981, 6955), (3523, 5885)]