20131555

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{5647}}^1$

素因数の和:5706

約数の個数: 16

約数和(自身を含む): 26025984

約数和(自身を除く): 5894429

約数列:

[1, 5, 23, 31, 115, 155, 713, 3565, 5647, 28235, 129881, 175057, 649405, 875285, 4026311, 20131555]

約数ペア:

[(1, 20131555), (5, 4026311), (23, 875285), (31, 649405), (115, 175057), (155, 129881), (713, 28235), (3565, 5647)]