20387346

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{1153}}^1$

素因数の和:1586

約数の個数: 32

約数和(自身を含む): 46750848

約数和(自身を除く): 26363502

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 421, 842, 1153, 1263, 2306, 2526, 2947, 3459, 5894, 6918, 8071, 8841, 16142, 17682, 24213, 48426, 485413, 970826, 1456239, 2912478, 3397891, 6795782, 10193673, 20387346]

約数ペア:

[(1, 20387346), (2, 10193673), (3, 6795782), (6, 3397891), (7, 2912478), (14, 1456239), (21, 970826), (42, 485413), (421, 48426), (842, 24213), (1153, 17682), (1263, 16142), (2306, 8841), (2526, 8071), (2947, 6918), (3459, 5894)]