20598345

素因数分解:

$3^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{1153}}^1$

素因数の和:1561

約数の個数: 24

約数和(自身を含む): 35824776

約数和(自身を除く): 15226431

約数列:

[1, 3, 5, 9, 15, 45, 397, 1153, 1191, 1985, 3459, 3573, 5765, 5955, 10377, 17295, 17865, 51885, 457741, 1373223, 2288705, 4119669, 6866115, 20598345]

約数ペア:

[(1, 20598345), (3, 6866115), (5, 4119669), (9, 2288705), (15, 1373223), (45, 457741), (397, 51885), (1153, 17865), (1191, 17295), (1985, 10377), (3459, 5955), (3573, 5765)]