20213255717

素因数分解:

${\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{145903}}^1$

素因数の和:146084

約数の個数: 16

約数和(自身を含む): 21570447360

約数和(自身を除く): 1357191643

約数列:

[1, 31, 41, 109, 1271, 3379, 4469, 138539, 145903, 4522993, 5982023, 15903427, 185442713, 493006237, 652040507, 20213255717]

約数ペア:

[(1, 20213255717), (31, 652040507), (41, 493006237), (109, 185442713), (1271, 15903427), (3379, 5982023), (4469, 4522993), (138539, 145903)]