20975090

素因数分解:

$2^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{487}}^1$

素因数の和:626

約数の個数: 32

約数和(自身を含む): 39000960

約数和(自身を除く): 18025870

約数列:

[1, 2, 5, 10, 59, 73, 118, 146, 295, 365, 487, 590, 730, 974, 2435, 4307, 4870, 8614, 21535, 28733, 35551, 43070, 57466, 71102, 143665, 177755, 287330, 355510, 2097509, 4195018, 10487545, 20975090]

約数ペア:

[(1, 20975090), (2, 10487545), (5, 4195018), (10, 2097509), (59, 355510), (73, 287330), (118, 177755), (146, 143665), (295, 71102), (365, 57466), (487, 43070), (590, 35551), (730, 28733), (974, 21535), (2435, 8614), (4307, 4870)]