20950760

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{18061}}^1$

素因数の和:18101

約数の個数: 32

約数和(自身を含む): 48767400

約数和(自身を除く): 27816640

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 18061, 36122, 72244, 90305, 144488, 180610, 361220, 523769, 722440, 1047538, 2095076, 2618845, 4190152, 5237690, 10475380, 20950760]

約数ペア:

[(1, 20950760), (2, 10475380), (4, 5237690), (5, 4190152), (8, 2618845), (10, 2095076), (20, 1047538), (29, 722440), (40, 523769), (58, 361220), (116, 180610), (145, 144488), (232, 90305), (290, 72244), (580, 36122), (1160, 18061)]