20191552280

素因数分解:

$2^3\times 5^1\times {\mathrm{11467}}^1\times {\mathrm{44021}}^1$

素因数の和:55499

約数の個数: 32

約数和(自身を含む): 45435986640

約数和(自身を除く): 25244434360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 11467, 22934, 44021, 45868, 57335, 88042, 91736, 114670, 176084, 220105, 229340, 352168, 440210, 458680, 880420, 1760840, 504788807, 1009577614, 2019155228, 2523944035, 4038310456, 5047888070, 10095776140, 20191552280]

約数ペア:

[(1, 20191552280), (2, 10095776140), (4, 5047888070), (5, 4038310456), (8, 2523944035), (10, 2019155228), (20, 1009577614), (40, 504788807), (11467, 1760840), (22934, 880420), (44021, 458680), (45868, 440210), (57335, 352168), (88042, 229340), (91736, 220105), (114670, 176084)]