20798499355221

素因数分解:

$3^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{19213}}^1\times {\mathrm{167911}}^1$

素因数の和:187441

約数の個数: 32

約数和(自身を含む): 31798030071808

約数和(自身を除く): 10999530716587

約数列:

[1, 3, 7, 21, 307, 921, 2149, 6447, 19213, 57639, 134491, 167911, 403473, 503733, 1175377, 3526131, 5898391, 17695173, 41288737, 51548677, 123866211, 154646031, 360840739, 1082522217, 3226074043, 9678222129, 22582518301, 67747554903, 990404731201, 2971214193603, 6932833118407, 20798499355221]

約数ペア:

[(1, 20798499355221), (3, 6932833118407), (7, 2971214193603), (21, 990404731201), (307, 67747554903), (921, 22582518301), (2149, 9678222129), (6447, 3226074043), (19213, 1082522217), (57639, 360840739), (134491, 154646031), (167911, 123866211), (403473, 51548677), (503733, 41288737), (1175377, 17695173), (3526131, 5898391)]