20420092

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{397}}^1$

素因数の和:586

約数の個数: 48

約数和(自身を含む): 44932608

約数和(自身を除く): 24512516

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 167, 308, 334, 397, 668, 794, 1169, 1588, 1837, 2338, 2779, 3674, 4367, 4676, 5558, 7348, 8734, 11116, 12859, 17468, 25718, 30569, 51436, 61138, 66299, 122276, 132598, 265196, 464093, 729289, 928186, 1458578, 1856372, 2917156, 5105023, 10210046, 20420092]

約数ペア:

[(1, 20420092), (2, 10210046), (4, 5105023), (7, 2917156), (11, 1856372), (14, 1458578), (22, 928186), (28, 729289), (44, 464093), (77, 265196), (154, 132598), (167, 122276), (308, 66299), (334, 61138), (397, 51436), (668, 30569), (794, 25718), (1169, 17468), (1588, 12859), (1837, 11116), (2338, 8734), (2779, 7348), (3674, 5558), (4367, 4676)]