12213820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{35923}}^1$

素因数の和:35949

約数の個数: 24

約数和(自身を含む): 27158544

約数和(自身を除く): 14944724

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 35923, 71846, 143692, 179615, 359230, 610691, 718460, 1221382, 2442764, 3053455, 6106910, 12213820]

約数ペア:

[(1, 12213820), (2, 6106910), (4, 3053455), (5, 2442764), (10, 1221382), (17, 718460), (20, 610691), (34, 359230), (68, 179615), (85, 143692), (170, 71846), (340, 35923)]