20443775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{4373}}^1$

素因数の和:4411

約数の個数: 24

約数和(自身を含む): 29288304

約数和(自身を除く): 8844529

約数列:

[1, 5, 11, 17, 25, 55, 85, 187, 275, 425, 935, 4373, 4675, 21865, 48103, 74341, 109325, 240515, 371705, 817751, 1202575, 1858525, 4088755, 20443775]

約数ペア:

[(1, 20443775), (5, 4088755), (11, 1858525), (17, 1202575), (25, 817751), (55, 371705), (85, 240515), (187, 109325), (275, 74341), (425, 48103), (935, 21865), (4373, 4675)]