20995184

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{6047}}^1$

素因数の和:6093

約数の個数: 40

約数和(自身を含む): 47996928

約数和(自身を除く): 27001744

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 434, 496, 868, 1736, 3472, 6047, 12094, 24188, 42329, 48376, 84658, 96752, 169316, 187457, 338632, 374914, 677264, 749828, 1312199, 1499656, 2624398, 2999312, 5248796, 10497592, 20995184]

約数ペア:

[(1, 20995184), (2, 10497592), (4, 5248796), (7, 2999312), (8, 2624398), (14, 1499656), (16, 1312199), (28, 749828), (31, 677264), (56, 374914), (62, 338632), (112, 187457), (124, 169316), (217, 96752), (248, 84658), (434, 48376), (496, 42329), (868, 24188), (1736, 12094), (3472, 6047)]