1020991780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3002917}}^1$

素因数の和:3002943

約数の個数: 24

約数和(自身を含む): 2270206008

約数和(自身を除く): 1249214228

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 3002917, 6005834, 12011668, 15014585, 30029170, 51049589, 60058340, 102099178, 204198356, 255247945, 510495890, 1020991780]

約数ペア:

[(1, 1020991780), (2, 510495890), (4, 255247945), (5, 204198356), (10, 102099178), (17, 60058340), (20, 51049589), (34, 30029170), (68, 15014585), (85, 12011668), (170, 6005834), (340, 3002917)]