20858830

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{4231}}^1$

素因数の和:4284

約数の個数: 32

約数和(自身を含む): 41135040

約数和(自身を除く): 20276210

約数列:

[1, 2, 5, 10, 17, 29, 34, 58, 85, 145, 170, 290, 493, 986, 2465, 4231, 4930, 8462, 21155, 42310, 71927, 122699, 143854, 245398, 359635, 613495, 719270, 1226990, 2085883, 4171766, 10429415, 20858830]

約数ペア:

[(1, 20858830), (2, 10429415), (5, 4171766), (10, 2085883), (17, 1226990), (29, 719270), (34, 613495), (58, 359635), (85, 245398), (145, 143854), (170, 122699), (290, 71927), (493, 42310), (986, 21155), (2465, 8462), (4231, 4930)]