20737639

素因数分解:

${\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{821}}^1$

素因数の和:930

約数の個数: 16

約数和(自身を含む): 23476320

約数和(自身を除く): 2738681

約数列:

[1, 13, 29, 67, 377, 821, 871, 1943, 10673, 23809, 25259, 55007, 309517, 715091, 1595203, 20737639]

約数ペア:

[(1, 20737639), (13, 1595203), (29, 715091), (67, 309517), (377, 55007), (821, 25259), (871, 23809), (1943, 10673)]