20580063

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{313}}^1$

素因数の和:455

約数の個数: 32

約数和(自身を含む): 32796672

約数和(自身を除く): 12216609

約数列:

[1, 3, 7, 21, 31, 93, 101, 217, 303, 313, 651, 707, 939, 2121, 2191, 3131, 6573, 9393, 9703, 21917, 29109, 31613, 65751, 67921, 94839, 203763, 221291, 663873, 980003, 2940009, 6860021, 20580063]

約数ペア:

[(1, 20580063), (3, 6860021), (7, 2940009), (21, 980003), (31, 663873), (93, 221291), (101, 203763), (217, 94839), (303, 67921), (313, 65751), (651, 31613), (707, 29109), (939, 21917), (2121, 9703), (2191, 9393), (3131, 6573)]