20817060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31541}}^1$

素因数の和:31564

約数の個数: 48

約数和(自身を含む): 63588672

約数和(自身を除く): 42771612

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 31541, 63082, 94623, 126164, 157705, 189246, 315410, 346951, 378492, 473115, 630820, 693902, 946230, 1040853, 1387804, 1734755, 1892460, 2081706, 3469510, 4163412, 5204265, 6939020, 10408530, 20817060]

約数ペア:

[(1, 20817060), (2, 10408530), (3, 6939020), (4, 5204265), (5, 4163412), (6, 3469510), (10, 2081706), (11, 1892460), (12, 1734755), (15, 1387804), (20, 1040853), (22, 946230), (30, 693902), (33, 630820), (44, 473115), (55, 378492), (60, 346951), (66, 315410), (110, 189246), (132, 157705), (165, 126164), (220, 94623), (330, 63082), (660, 31541)]