20077846

素因数分解:

$2^1\times {\mathrm{131}}^1\times {\mathrm{197}}^1\times {\mathrm{389}}^1$

素因数の和:719

約数の個数: 16

約数和(自身を含む): 30579120

約数和(自身を除く): 10501274

約数列:

[1, 2, 131, 197, 262, 389, 394, 778, 25807, 50959, 51614, 76633, 101918, 153266, 10038923, 20077846]

約数ペア:

[(1, 20077846), (2, 10038923), (131, 153266), (197, 101918), (262, 76633), (389, 51614), (394, 50959), (778, 25807)]