20786692020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{659}}^1\times {\mathrm{525713}}^1$

素因数の和:526384

約数の個数: 48

約数和(自身を含む): 58291168320

約数和(自身を除く): 37504476300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 659, 1318, 1977, 2636, 3295, 3954, 6590, 7908, 9885, 13180, 19770, 39540, 525713, 1051426, 1577139, 2102852, 2628565, 3154278, 5257130, 6308556, 7885695, 10514260, 15771390, 31542780, 346444867, 692889734, 1039334601, 1385779468, 1732224335, 2078669202, 3464448670, 4157338404, 5196673005, 6928897340, 10393346010, 20786692020]

約数ペア:

[(1, 20786692020), (2, 10393346010), (3, 6928897340), (4, 5196673005), (5, 4157338404), (6, 3464448670), (10, 2078669202), (12, 1732224335), (15, 1385779468), (20, 1039334601), (30, 692889734), (60, 346444867), (659, 31542780), (1318, 15771390), (1977, 10514260), (2636, 7885695), (3295, 6308556), (3954, 5257130), (6590, 3154278), (7908, 2628565), (9885, 2102852), (13180, 1577139), (19770, 1051426), (39540, 525713)]