20347795

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{1367}}^1$

素因数の和:1614

約数の個数: 16

約数和(自身を含む): 26429760

約数和(自身を除く): 6081965

約数列:

[1, 5, 13, 65, 229, 1145, 1367, 2977, 6835, 14885, 17771, 88855, 313043, 1565215, 4069559, 20347795]

約数ペア:

[(1, 20347795), (5, 4069559), (13, 1565215), (65, 313043), (229, 88855), (1145, 17771), (1367, 14885), (2977, 6835)]