20485190

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{186229}}^1$

素因数の和:186247

約数の個数: 16

約数和(自身を含む): 40225680

約数和(自身を除く): 19740490

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 186229, 372458, 931145, 1862290, 2048519, 4097038, 10242595, 20485190]

約数ペア:

[(1, 20485190), (2, 10242595), (5, 4097038), (10, 2048519), (11, 1862290), (22, 931145), (55, 372458), (110, 186229)]