20737628

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{4253}}^1$

素因数の和:4333

約数の個数: 24

約数和(自身を含む): 38592288

約数和(自身を除く): 17854660

約数列:

[1, 2, 4, 23, 46, 53, 92, 106, 212, 1219, 2438, 4253, 4876, 8506, 17012, 97819, 195638, 225409, 391276, 450818, 901636, 5184407, 10368814, 20737628]

約数ペア:

[(1, 20737628), (2, 10368814), (4, 5184407), (23, 901636), (46, 450818), (53, 391276), (92, 225409), (106, 195638), (212, 97819), (1219, 17012), (2438, 8506), (4253, 4876)]