20692490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{22739}}^1$

素因数の和:22766

約数の個数: 32

約数和(自身を含む): 45843840

約数和(自身を除く): 25151350

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 22739, 45478, 113695, 159173, 227390, 295607, 318346, 591214, 795865, 1478035, 1591730, 2069249, 2956070, 4138498, 10346245, 20692490]

約数ペア:

[(1, 20692490), (2, 10346245), (5, 4138498), (7, 2956070), (10, 2069249), (13, 1591730), (14, 1478035), (26, 795865), (35, 591214), (65, 318346), (70, 295607), (91, 227390), (130, 159173), (182, 113695), (455, 45478), (910, 22739)]