205513020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1141739}}^1$

素因数の和:1141754

約数の個数: 36

約数和(自身を含む): 623390040

約数和(自身を除く): 417877020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1141739, 2283478, 3425217, 4566956, 5708695, 6850434, 10275651, 11417390, 13700868, 17126085, 20551302, 22834780, 34252170, 41102604, 51378255, 68504340, 102756510, 205513020]

約数ペア:

[(1, 205513020), (2, 102756510), (3, 68504340), (4, 51378255), (5, 41102604), (6, 34252170), (9, 22834780), (10, 20551302), (12, 17126085), (15, 13700868), (18, 11417390), (20, 10275651), (30, 6850434), (36, 5708695), (45, 4566956), (60, 3425217), (90, 2283478), (180, 1141739)]