20999419755

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1\times {\mathrm{197261}}^1$

素因数の和:197467

約数の個数: 32

約数和(自身を含む): 34541365248

約数和(自身を除く): 13541945493

約数列:

[1, 3, 5, 15, 47, 141, 151, 235, 453, 705, 755, 2265, 7097, 21291, 35485, 106455, 197261, 591783, 986305, 2958915, 9271267, 27813801, 29786411, 46356335, 89359233, 139069005, 148932055, 446796165, 1399961317, 4199883951, 6999806585, 20999419755]

約数ペア:

[(1, 20999419755), (3, 6999806585), (5, 4199883951), (15, 1399961317), (47, 446796165), (141, 148932055), (151, 139069005), (235, 89359233), (453, 46356335), (705, 29786411), (755, 27813801), (2265, 9271267), (7097, 2958915), (21291, 986305), (35485, 591783), (106455, 197261)]