20720208

素因数分解:

$2^4\times 3^1\times {\mathrm{431671}}^1$

素因数の和:431682

約数の個数: 20

約数和(自身を含む): 53527328

約数和(自身を除く): 32807120

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 431671, 863342, 1295013, 1726684, 2590026, 3453368, 5180052, 6906736, 10360104, 20720208]

約数ペア:

[(1, 20720208), (2, 10360104), (3, 6906736), (4, 5180052), (6, 3453368), (8, 2590026), (12, 1726684), (16, 1295013), (24, 863342), (48, 431671)]