20568075

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{233}}^1$

素因数の和:364

約数の個数: 48

約数和(自身を含む): 37604736

約数和(自身を除く): 17036661

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 107, 165, 233, 275, 321, 535, 699, 825, 1165, 1177, 1605, 2563, 2675, 3495, 3531, 5825, 5885, 7689, 8025, 12815, 17475, 17655, 24931, 29425, 38445, 64075, 74793, 88275, 124655, 192225, 274241, 373965, 623275, 822723, 1371205, 1869825, 4113615, 6856025, 20568075]

約数ペア:

[(1, 20568075), (3, 6856025), (5, 4113615), (11, 1869825), (15, 1371205), (25, 822723), (33, 623275), (55, 373965), (75, 274241), (107, 192225), (165, 124655), (233, 88275), (275, 74793), (321, 64075), (535, 38445), (699, 29425), (825, 24931), (1165, 17655), (1177, 17475), (1605, 12815), (2563, 8025), (2675, 7689), (3495, 5885), (3531, 5825)]