20373704

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{863}}^1$

素因数の和:1109

約数の個数: 32

約数和(自身を含む): 41368320

約数和(自身を除く): 20994616

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 227, 454, 863, 908, 1726, 1816, 2951, 3452, 5902, 6904, 11219, 11804, 22438, 23608, 44876, 89752, 195901, 391802, 783604, 1567208, 2546713, 5093426, 10186852, 20373704]

約数ペア:

[(1, 20373704), (2, 10186852), (4, 5093426), (8, 2546713), (13, 1567208), (26, 783604), (52, 391802), (104, 195901), (227, 89752), (454, 44876), (863, 23608), (908, 22438), (1726, 11804), (1816, 11219), (2951, 6904), (3452, 5902)]