20163861904

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{54793103}}^1$

素因数の和:54793134

約数の個数: 20

約数和(自身を含む): 40766069376

約数和(自身を除く): 20602207472

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 54793103, 109586206, 219172412, 438344824, 876689648, 1260241369, 2520482738, 5040965476, 10081930952, 20163861904]

約数ペア:

[(1, 20163861904), (2, 10081930952), (4, 5040965476), (8, 2520482738), (16, 1260241369), (23, 876689648), (46, 438344824), (92, 219172412), (184, 109586206), (368, 54793103)]