20869915

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{1657}}^1$

素因数の和:1902

約数の個数: 16

約数和(自身を含む): 27456480

約数和(自身を除く): 6586565

約数列:

[1, 5, 11, 55, 229, 1145, 1657, 2519, 8285, 12595, 18227, 91135, 379453, 1897265, 4173983, 20869915]

約数ペア:

[(1, 20869915), (5, 4173983), (11, 1897265), (55, 379453), (229, 91135), (1145, 18227), (1657, 12595), (2519, 8285)]