11720140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{34471}}^1$

素因数の和:34497

約数の個数: 24

約数和(自身を含む): 26060832

約数和(自身を除く): 14340692

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 34471, 68942, 137884, 172355, 344710, 586007, 689420, 1172014, 2344028, 2930035, 5860070, 11720140]

約数ペア:

[(1, 11720140), (2, 5860070), (4, 2930035), (5, 2344028), (10, 1172014), (17, 689420), (20, 586007), (34, 344710), (68, 172355), (85, 137884), (170, 68942), (340, 34471)]