202007980

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{234893}}^1$

素因数の和:234945

約数の個数: 24

約数和(自身を含む): 434084112

約数和(自身を除く): 232076132

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 234893, 469786, 939572, 1174465, 2348930, 4697860, 10100399, 20200798, 40401596, 50501995, 101003990, 202007980]

約数ペア:

[(1, 202007980), (2, 101003990), (4, 50501995), (5, 40401596), (10, 20200798), (20, 10100399), (43, 4697860), (86, 2348930), (172, 1174465), (215, 939572), (430, 469786), (860, 234893)]