20287648

素因数分解:

$2^5\times {\mathrm{223}}^1\times {\mathrm{2843}}^1$

素因数の和:3076

約数の個数: 24

約数和(自身を含む): 40134528

約数和(自身を除く): 19846880

約数列:

[1, 2, 4, 8, 16, 32, 223, 446, 892, 1784, 2843, 3568, 5686, 7136, 11372, 22744, 45488, 90976, 633989, 1267978, 2535956, 5071912, 10143824, 20287648]

約数ペア:

[(1, 20287648), (2, 10143824), (4, 5071912), (8, 2535956), (16, 1267978), (32, 633989), (223, 90976), (446, 45488), (892, 22744), (1784, 11372), (2843, 7136), (3568, 5686)]