20541255

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{2357}}^1$

素因数の和:2455

約数の個数: 32

約数和(自身を含む): 38029824

約数和(自身を除く): 17488569

約数列:

[1, 3, 5, 7, 15, 21, 35, 83, 105, 249, 415, 581, 1245, 1743, 2357, 2905, 7071, 8715, 11785, 16499, 35355, 49497, 82495, 195631, 247485, 586893, 978155, 1369417, 2934465, 4108251, 6847085, 20541255]

約数ペア:

[(1, 20541255), (3, 6847085), (5, 4108251), (7, 2934465), (15, 1369417), (21, 978155), (35, 586893), (83, 247485), (105, 195631), (249, 82495), (415, 49497), (581, 35355), (1245, 16499), (1743, 11785), (2357, 8715), (2905, 7071)]