20194708280

素因数分解:

$2^3\times 5^1\times {\mathrm{8641}}^1\times {\mathrm{58427}}^1$

素因数の和:67079

約数の個数: 32

約数和(自身を含む): 45444129840

約数和(自身を除く): 25249421560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 8641, 17282, 34564, 43205, 58427, 69128, 86410, 116854, 172820, 233708, 292135, 345640, 467416, 584270, 1168540, 2337080, 504867707, 1009735414, 2019470828, 2524338535, 4038941656, 5048677070, 10097354140, 20194708280]

約数ペア:

[(1, 20194708280), (2, 10097354140), (4, 5048677070), (5, 4038941656), (8, 2524338535), (10, 2019470828), (20, 1009735414), (40, 504867707), (8641, 2337080), (17282, 1168540), (34564, 584270), (43205, 467416), (58427, 345640), (69128, 292135), (86410, 233708), (116854, 172820)]