20311401610

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{5209}}^1\times {\mathrm{22937}}^1$

素因数の和:28170

約数の個数: 32

約数和(自身を含む): 38720261520

約数和(自身を除く): 18408859910

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 5209, 10418, 22937, 26045, 45874, 52090, 88553, 114685, 177106, 229370, 389929, 442765, 779858, 885530, 1949645, 3899290, 119478833, 238957666, 597394165, 1194788330, 2031140161, 4062280322, 10155700805, 20311401610]

約数ペア:

[(1, 20311401610), (2, 10155700805), (5, 4062280322), (10, 2031140161), (17, 1194788330), (34, 597394165), (85, 238957666), (170, 119478833), (5209, 3899290), (10418, 1949645), (22937, 885530), (26045, 779858), (45874, 442765), (52090, 389929), (88553, 229370), (114685, 177106)]