20591388

素因数分解:

$2^2\times 3^3\times {\mathrm{37}}^1\times {\mathrm{5153}}^1$

素因数の和:5203

約数の個数: 48

約数和(自身を含む): 54838560

約数和(自身を除く): 34247172

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 37, 54, 74, 108, 111, 148, 222, 333, 444, 666, 999, 1332, 1998, 3996, 5153, 10306, 15459, 20612, 30918, 46377, 61836, 92754, 139131, 185508, 190661, 278262, 381322, 556524, 571983, 762644, 1143966, 1715949, 2287932, 3431898, 5147847, 6863796, 10295694, 20591388]

約数ペア:

[(1, 20591388), (2, 10295694), (3, 6863796), (4, 5147847), (6, 3431898), (9, 2287932), (12, 1715949), (18, 1143966), (27, 762644), (36, 571983), (37, 556524), (54, 381322), (74, 278262), (108, 190661), (111, 185508), (148, 139131), (222, 92754), (333, 61836), (444, 46377), (666, 30918), (999, 20612), (1332, 15459), (1998, 10306), (3996, 5153)]