20561762

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{389}}^1$

素因数の和:530

約数の個数: 32

約数和(自身を含む): 35380800

約数和(自身を除く): 14819038

約数列:

[1, 2, 13, 19, 26, 38, 107, 214, 247, 389, 494, 778, 1391, 2033, 2782, 4066, 5057, 7391, 10114, 14782, 26429, 41623, 52858, 83246, 96083, 192166, 541099, 790837, 1082198, 1581674, 10280881, 20561762]

約数ペア:

[(1, 20561762), (2, 10280881), (13, 1581674), (19, 1082198), (26, 790837), (38, 541099), (107, 192166), (214, 96083), (247, 83246), (389, 52858), (494, 41623), (778, 26429), (1391, 14782), (2033, 10114), (2782, 7391), (4066, 5057)]