20391602

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{7789}}^1$

素因数の和:7826

約数の個数: 32

約数和(自身を含む): 40383360

約数和(自身を除く): 19991758

約数列:

[1, 2, 7, 11, 14, 17, 22, 34, 77, 119, 154, 187, 238, 374, 1309, 2618, 7789, 15578, 54523, 85679, 109046, 132413, 171358, 264826, 599753, 926891, 1199506, 1456543, 1853782, 2913086, 10195801, 20391602]

約数ペア:

[(1, 20391602), (2, 10195801), (7, 2913086), (11, 1853782), (14, 1456543), (17, 1199506), (22, 926891), (34, 599753), (77, 264826), (119, 171358), (154, 132413), (187, 109046), (238, 85679), (374, 54523), (1309, 15578), (2618, 7789)]