20385435

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{1303}}^1$

素因数の和:1467

約数の個数: 32

約数和(自身を含む): 37555200

約数和(自身を除く): 17169765

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 149, 447, 745, 1043, 1303, 2235, 3129, 3909, 5215, 6515, 9121, 15645, 19545, 27363, 45605, 136815, 194147, 582441, 970735, 1359029, 2912205, 4077087, 6795145, 20385435]

約数ペア:

[(1, 20385435), (3, 6795145), (5, 4077087), (7, 2912205), (15, 1359029), (21, 970735), (35, 582441), (105, 194147), (149, 136815), (447, 45605), (745, 27363), (1043, 19545), (1303, 15645), (2235, 9121), (3129, 6515), (3909, 5215)]