20295600488

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{272761}}^1$

素因数の和:272969

約数の個数: 32

約数和(自身を含む): 38884950720

約数和(自身を除く): 18589350232

約数列:

[1, 2, 4, 8, 71, 131, 142, 262, 284, 524, 568, 1048, 9301, 18602, 37204, 74408, 272761, 545522, 1091044, 2182088, 19366031, 35731691, 38732062, 71463382, 77464124, 142926764, 154928248, 285853528, 2536950061, 5073900122, 10147800244, 20295600488]

約数ペア:

[(1, 20295600488), (2, 10147800244), (4, 5073900122), (8, 2536950061), (71, 285853528), (131, 154928248), (142, 142926764), (262, 77464124), (284, 71463382), (524, 38732062), (568, 35731691), (1048, 19366031), (9301, 2182088), (18602, 1091044), (37204, 545522), (74408, 272761)]