20155135

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4027}}^1$

素因数の和:4063

約数の個数: 32

約数和(自身を含む): 32481792

約数和(自身を除く): 12326657

約数列:

[1, 5, 7, 11, 13, 35, 55, 65, 77, 91, 143, 385, 455, 715, 1001, 4027, 5005, 20135, 28189, 44297, 52351, 140945, 221485, 261755, 310079, 366457, 575861, 1550395, 1832285, 2879305, 4031027, 20155135]

約数ペア:

[(1, 20155135), (5, 4031027), (7, 2879305), (11, 1832285), (13, 1550395), (35, 575861), (55, 366457), (65, 310079), (77, 261755), (91, 221485), (143, 140945), (385, 52351), (455, 44297), (715, 28189), (1001, 20135), (4027, 5005)]