20475578

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{14563}}^1$

素因数の和:14621

約数の個数: 16

約数和(自身を含む): 33205920

約数和(自身を除く): 12730342

約数列:

[1, 2, 19, 37, 38, 74, 703, 1406, 14563, 29126, 276697, 538831, 553394, 1077662, 10237789, 20475578]

約数ペア:

[(1, 20475578), (2, 10237789), (19, 1077662), (37, 553394), (38, 538831), (74, 276697), (703, 29126), (1406, 14563)]