20612748

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{577}}^1$

素因数の和:826

約数の個数: 48

約数和(自身を含む): 52112480

約数和(自身を除く): 31499732

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 229, 458, 577, 687, 916, 1154, 1374, 1731, 2308, 2748, 2977, 3462, 5954, 6924, 7501, 8931, 11908, 15002, 17862, 22503, 30004, 35724, 45006, 90012, 132133, 264266, 396399, 528532, 792798, 1585596, 1717729, 3435458, 5153187, 6870916, 10306374, 20612748]

約数ペア:

[(1, 20612748), (2, 10306374), (3, 6870916), (4, 5153187), (6, 3435458), (12, 1717729), (13, 1585596), (26, 792798), (39, 528532), (52, 396399), (78, 264266), (156, 132133), (229, 90012), (458, 45006), (577, 35724), (687, 30004), (916, 22503), (1154, 17862), (1374, 15002), (1731, 11908), (2308, 8931), (2748, 7501), (2977, 6924), (3462, 5954)]