20674467

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{461}}^1$

素因数の和:632

約数の個数: 32

約数和(自身を含む): 33707520

約数和(自身を除く): 13033053

約数列:

[1, 3, 9, 11, 27, 33, 99, 151, 297, 453, 461, 1359, 1383, 1661, 4077, 4149, 4983, 5071, 12447, 14949, 15213, 44847, 45639, 69611, 136917, 208833, 626499, 765721, 1879497, 2297163, 6891489, 20674467]

約数ペア:

[(1, 20674467), (3, 6891489), (9, 2297163), (11, 1879497), (27, 765721), (33, 626499), (99, 208833), (151, 136917), (297, 69611), (453, 45639), (461, 44847), (1359, 15213), (1383, 14949), (1661, 12447), (4077, 5071), (4149, 4983)]