20700735

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{1151}}^1$

素因数の和:1279

約数の個数: 32

約数和(自身を含む): 36495360

約数和(自身を除く): 15794625

約数列:

[1, 3, 5, 11, 15, 33, 55, 109, 165, 327, 545, 1151, 1199, 1635, 3453, 3597, 5755, 5995, 12661, 17265, 17985, 37983, 63305, 125459, 189915, 376377, 627295, 1380049, 1881885, 4140147, 6900245, 20700735]

約数ペア:

[(1, 20700735), (3, 6900245), (5, 4140147), (11, 1881885), (15, 1380049), (33, 627295), (55, 376377), (109, 189915), (165, 125459), (327, 63305), (545, 37983), (1151, 17985), (1199, 17265), (1635, 12661), (3453, 5995), (3597, 5755)]