20128831478

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{62511899}}^1$

素因数の和:62511931

約数の個数: 16

約数和(自身を含む): 36006854400

約数和(自身を除く): 15878022922

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 62511899, 125023798, 437583293, 875166586, 1437773677, 2875547354, 10064415739, 20128831478]

約数ペア:

[(1, 20128831478), (2, 10064415739), (7, 2875547354), (14, 1437773677), (23, 875166586), (46, 437583293), (161, 125023798), (322, 62511899)]