20576465

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1103}}^1$

素因数の和:1169

約数の個数: 32

約数和(自身を含む): 31159296

約数和(自身を除く): 10582831

約数列:

[1, 5, 7, 13, 35, 41, 65, 91, 205, 287, 455, 533, 1103, 1435, 2665, 3731, 5515, 7721, 14339, 18655, 38605, 45223, 71695, 100373, 226115, 316561, 501865, 587899, 1582805, 2939495, 4115293, 20576465]

約数ペア:

[(1, 20576465), (5, 4115293), (7, 2939495), (13, 1582805), (35, 587899), (41, 501865), (65, 316561), (91, 226115), (205, 100373), (287, 71695), (455, 45223), (533, 38605), (1103, 18655), (1435, 14339), (2665, 7721), (3731, 5515)]