20539365

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17783}}^1$

素因数の和:17809

約数の個数: 32

約数和(自身を含む): 40974336

約数和(自身を除く): 20434971

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 165, 231, 385, 1155, 17783, 53349, 88915, 124481, 195613, 266745, 373443, 586839, 622405, 978065, 1369291, 1867215, 2934195, 4107873, 6846455, 20539365]

約数ペア:

[(1, 20539365), (3, 6846455), (5, 4107873), (7, 2934195), (11, 1867215), (15, 1369291), (21, 978065), (33, 622405), (35, 586839), (55, 373443), (77, 266745), (105, 195613), (165, 124481), (231, 88915), (385, 53349), (1155, 17783)]