20804429170

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{4457}}^1\times {\mathrm{66683}}^1$

素因数の和:71154

約数の個数: 32

約数和(自身を含む): 42807927168

約数和(自身を除く): 22003497998

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 4457, 8914, 22285, 31199, 44570, 62398, 66683, 133366, 155995, 311990, 333415, 466781, 666830, 933562, 2333905, 4667810, 297206131, 594412262, 1486030655, 2080442917, 2972061310, 4160885834, 10402214585, 20804429170]

約数ペア:

[(1, 20804429170), (2, 10402214585), (5, 4160885834), (7, 2972061310), (10, 2080442917), (14, 1486030655), (35, 594412262), (70, 297206131), (4457, 4667810), (8914, 2333905), (22285, 933562), (31199, 666830), (44570, 466781), (62398, 333415), (66683, 311990), (133366, 155995)]