20643117

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1187}}^1$

素因数の和:1249

約数の個数: 32

約数和(自身を含む): 32845824

約数和(自身を除く): 12202707

約数列:

[1, 3, 11, 17, 31, 33, 51, 93, 187, 341, 527, 561, 1023, 1187, 1581, 3561, 5797, 13057, 17391, 20179, 36797, 39171, 60537, 110391, 221969, 404767, 625549, 665907, 1214301, 1876647, 6881039, 20643117]

約数ペア:

[(1, 20643117), (3, 6881039), (11, 1876647), (17, 1214301), (31, 665907), (33, 625549), (51, 404767), (93, 221969), (187, 110391), (341, 60537), (527, 39171), (561, 36797), (1023, 20179), (1187, 17391), (1581, 13057), (3561, 5797)]