20436678

素因数分解:

$2^1\times 3^3\times {\mathrm{263}}^1\times {\mathrm{1439}}^1$

素因数の和:1713

約数の個数: 32

約数和(自身を含む): 45619200

約数和(自身を除く): 25182522

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 263, 526, 789, 1439, 1578, 2367, 2878, 4317, 4734, 7101, 8634, 12951, 14202, 25902, 38853, 77706, 378457, 756914, 1135371, 2270742, 3406113, 6812226, 10218339, 20436678]

約数ペア:

[(1, 20436678), (2, 10218339), (3, 6812226), (6, 3406113), (9, 2270742), (18, 1135371), (27, 756914), (54, 378457), (263, 77706), (526, 38853), (789, 25902), (1439, 14202), (1578, 12951), (2367, 8634), (2878, 7101), (4317, 4734)]