20352605

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1091}}^1$

素因数の和:1157

約数の個数: 32

約数和(自身を含む): 30820608

約数和(自身を除く): 10468003

約数列:

[1, 5, 7, 13, 35, 41, 65, 91, 205, 287, 455, 533, 1091, 1435, 2665, 3731, 5455, 7637, 14183, 18655, 38185, 44731, 70915, 99281, 223655, 313117, 496405, 581503, 1565585, 2907515, 4070521, 20352605]

約数ペア:

[(1, 20352605), (5, 4070521), (7, 2907515), (13, 1565585), (35, 581503), (41, 496405), (65, 313117), (91, 223655), (205, 99281), (287, 70915), (455, 44731), (533, 38185), (1091, 18655), (1435, 14183), (2665, 7637), (3731, 5455)]