20303481

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{223}}^1$

素因数の和:357

約数の個数: 32

約数和(自身を含む): 30965760

約数和(自身を除く): 10662279

約数列:

[1, 3, 11, 31, 33, 89, 93, 223, 267, 341, 669, 979, 1023, 2453, 2759, 2937, 6913, 7359, 8277, 19847, 20739, 30349, 59541, 76043, 91047, 218317, 228129, 615257, 654951, 1845771, 6767827, 20303481]

約数ペア:

[(1, 20303481), (3, 6767827), (11, 1845771), (31, 654951), (33, 615257), (89, 228129), (93, 218317), (223, 91047), (267, 76043), (341, 59541), (669, 30349), (979, 20739), (1023, 19847), (2453, 8277), (2759, 7359), (2937, 6913)]