20005699

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{907}}^1$

素因数の和:1074

約数の個数: 16

約数和(自身を含む): 24058368

約数和(自身を除く): 4052669

約数列:

[1, 7, 23, 137, 161, 907, 959, 3151, 6349, 20861, 22057, 124259, 146027, 869813, 2857957, 20005699]

約数ペア:

[(1, 20005699), (7, 2857957), (23, 869813), (137, 146027), (161, 124259), (907, 22057), (959, 20861), (3151, 6349)]