20185804820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53120539}}^1$

素因数の和:53120567

約数の個数: 24

約数和(自身を含む): 44621253600

約数和(自身を除く): 24435448780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 53120539, 106241078, 212482156, 265602695, 531205390, 1009290241, 1062410780, 2018580482, 4037160964, 5046451205, 10092902410, 20185804820]

約数ペア:

[(1, 20185804820), (2, 10092902410), (4, 5046451205), (5, 4037160964), (10, 2018580482), (19, 1062410780), (20, 1009290241), (38, 531205390), (76, 265602695), (95, 212482156), (190, 106241078), (380, 53120539)]