20480715

素因数分解:

$3^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{719}}^1$

素因数の和:944

約数の個数: 32

約数和(自身を含む): 36633600

約数和(自身を除く): 16152885

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 211, 633, 719, 1055, 1899, 2157, 3165, 3595, 5697, 6471, 9495, 10785, 19413, 28485, 32355, 97065, 151709, 455127, 758545, 1365381, 2275635, 4096143, 6826905, 20480715]

約数ペア:

[(1, 20480715), (3, 6826905), (5, 4096143), (9, 2275635), (15, 1365381), (27, 758545), (45, 455127), (135, 151709), (211, 97065), (633, 32355), (719, 28485), (1055, 19413), (1899, 10785), (2157, 9495), (3165, 6471), (3595, 5697)]