20905758

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{50497}}^1$

素因数の和:50528

約数の個数: 24

約数和(自身を含む): 47266128

約数和(自身を除く): 26360370

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 207, 414, 50497, 100994, 151491, 302982, 454473, 908946, 1161431, 2322862, 3484293, 6968586, 10452879, 20905758]

約数ペア:

[(1, 20905758), (2, 10452879), (3, 6968586), (6, 3484293), (9, 2322862), (18, 1161431), (23, 908946), (46, 454473), (69, 302982), (138, 151491), (207, 100994), (414, 50497)]