20863318

素因数分解:

$2^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{1789}}^1$

素因数の和:1829

約数の個数: 32

約数和(自身を含む): 38664000

約数和(自身を除く): 17800682

約数列:

[1, 2, 7, 14, 17, 34, 49, 98, 119, 238, 343, 686, 833, 1666, 1789, 3578, 5831, 11662, 12523, 25046, 30413, 60826, 87661, 175322, 212891, 425782, 613627, 1227254, 1490237, 2980474, 10431659, 20863318]

約数ペア:

[(1, 20863318), (2, 10431659), (7, 2980474), (14, 1490237), (17, 1227254), (34, 613627), (49, 425782), (98, 212891), (119, 175322), (238, 87661), (343, 60826), (686, 30413), (833, 25046), (1666, 12523), (1789, 11662), (3578, 5831)]