20853832839

素因数分解:

$3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{13603283}}^1$

素因数の和:13603366

約数の個数: 16

約数和(自身を含む): 32212576512

約数和(自身を除く): 11358743673

約数列:

[1, 3, 7, 21, 73, 219, 511, 1533, 13603283, 40809849, 95222981, 285668943, 993039659, 2979118977, 6951277613, 20853832839]

約数ペア:

[(1, 20853832839), (3, 6951277613), (7, 2979118977), (21, 993039659), (73, 285668943), (219, 95222981), (511, 40809849), (1533, 13603283)]