20085065

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4013}}^1$

素因数の和:4049

約数の個数: 32

約数和(自身を含む): 32368896

約数和(自身を除く): 12283831

約数列:

[1, 5, 7, 11, 13, 35, 55, 65, 77, 91, 143, 385, 455, 715, 1001, 4013, 5005, 20065, 28091, 44143, 52169, 140455, 220715, 260845, 309001, 365183, 573859, 1545005, 1825915, 2869295, 4017013, 20085065]

約数ペア:

[(1, 20085065), (5, 4017013), (7, 2869295), (11, 1825915), (13, 1545005), (35, 573859), (55, 365183), (65, 309001), (77, 260845), (91, 220715), (143, 140455), (385, 52169), (455, 44143), (715, 28091), (1001, 20065), (4013, 5005)]