20286208

素因数分解:

$2^8\times {\mathrm{109}}^1\times {\mathrm{727}}^1$

素因数の和:852

約数の個数: 36

約数和(自身を含む): 40920880

約数和(自身を除く): 20634672

約数列:

[1, 2, 4, 8, 16, 32, 64, 109, 128, 218, 256, 436, 727, 872, 1454, 1744, 2908, 3488, 5816, 6976, 11632, 13952, 23264, 27904, 46528, 79243, 93056, 158486, 186112, 316972, 633944, 1267888, 2535776, 5071552, 10143104, 20286208]

約数ペア:

[(1, 20286208), (2, 10143104), (4, 5071552), (8, 2535776), (16, 1267888), (32, 633944), (64, 316972), (109, 186112), (128, 158486), (218, 93056), (256, 79243), (436, 46528), (727, 27904), (872, 23264), (1454, 13952), (1744, 11632), (2908, 6976), (3488, 5816)]