20691958

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{383}}^1$

素因数の和:636

約数の個数: 32

約数和(自身を含む): 37822464

約数和(自身を除く): 17130506

約数列:

[1, 2, 7, 14, 17, 34, 119, 227, 238, 383, 454, 766, 1589, 2681, 3178, 3859, 5362, 6511, 7718, 13022, 27013, 45577, 54026, 86941, 91154, 173882, 608587, 1217174, 1477997, 2955994, 10345979, 20691958]

約数ペア:

[(1, 20691958), (2, 10345979), (7, 2955994), (14, 1477997), (17, 1217174), (34, 608587), (119, 173882), (227, 91154), (238, 86941), (383, 54026), (454, 45577), (766, 27013), (1589, 13022), (2681, 7718), (3178, 6511), (3859, 5362)]