20828115

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{6011}}^1$

素因数の和:6040

約数の個数: 48

約数和(自身を含む): 45017856

約数和(自身を除く): 24189741

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 33, 35, 45, 55, 63, 77, 99, 105, 165, 231, 315, 385, 495, 693, 1155, 3465, 6011, 18033, 30055, 42077, 54099, 66121, 90165, 126231, 198363, 210385, 270495, 330605, 378693, 462847, 595089, 631155, 991815, 1388541, 1893465, 2314235, 2975445, 4165623, 6942705, 20828115]

約数ペア:

[(1, 20828115), (3, 6942705), (5, 4165623), (7, 2975445), (9, 2314235), (11, 1893465), (15, 1388541), (21, 991815), (33, 631155), (35, 595089), (45, 462847), (55, 378693), (63, 330605), (77, 270495), (99, 210385), (105, 198363), (165, 126231), (231, 90165), (315, 66121), (385, 54099), (495, 42077), (693, 30055), (1155, 18033), (3465, 6011)]