20743730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{739}}^1$

素因数の和:1154

約数の個数: 32

約数和(自身を含む): 42837120

約数和(自身を除く): 22093390

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 401, 739, 802, 1478, 2005, 2807, 3695, 4010, 5173, 5614, 7390, 10346, 14035, 25865, 28070, 51730, 296339, 592678, 1481695, 2074373, 2963390, 4148746, 10371865, 20743730]

約数ペア:

[(1, 20743730), (2, 10371865), (5, 4148746), (7, 2963390), (10, 2074373), (14, 1481695), (35, 592678), (70, 296339), (401, 51730), (739, 28070), (802, 25865), (1478, 14035), (2005, 10346), (2807, 7390), (3695, 5614), (4010, 5173)]