20853105

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{15277}}^1$

素因数の和:15305

約数の個数: 32

約数和(自身を含む): 41067264

約数和(自身を除く): 20214159

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 273, 455, 1365, 15277, 45831, 76385, 106939, 198601, 229155, 320817, 534695, 595803, 993005, 1390207, 1604085, 2979015, 4170621, 6951035, 20853105]

約数ペア:

[(1, 20853105), (3, 6951035), (5, 4170621), (7, 2979015), (13, 1604085), (15, 1390207), (21, 993005), (35, 595803), (39, 534695), (65, 320817), (91, 229155), (105, 198601), (195, 106939), (273, 76385), (455, 45831), (1365, 15277)]