20888517

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{5303}}^1$

素因数の和:5420

約数の個数: 16

約数和(自身を含む): 30296448

約数和(自身を除く): 9407931

約数列:

[1, 3, 13, 39, 101, 303, 1313, 3939, 5303, 15909, 68939, 206817, 535603, 1606809, 6962839, 20888517]

約数ペア:

[(1, 20888517), (3, 6962839), (13, 1606809), (39, 535603), (101, 206817), (303, 68939), (1313, 15909), (3939, 5303)]