20490639189

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{4514351}}^1$

素因数の和:4514460

約数の個数: 16

約数和(自身を含む): 29253000960

約数和(自身を除く): 8762361771

約数列:

[1, 3, 17, 51, 89, 267, 1513, 4539, 4514351, 13543053, 76743967, 230231901, 401777239, 1205331717, 6830213063, 20490639189]

約数ペア:

[(1, 20490639189), (3, 6830213063), (17, 1205331717), (51, 401777239), (89, 230231901), (267, 76743967), (1513, 13543053), (4539, 4514351)]