20777460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31481}}^1$

素因数の和:31504

約数の個数: 48

約数和(自身を含む): 63467712

約数和(自身を除く): 42690252

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, 31481, 62962, 94443, 125924, 157405, 188886, 314810, 346291, 377772, 472215, 629620, 692582, 944430, 1038873, 1385164, 1731455, 1888860, 2077746, 3462910, 4155492, 5194365, 6925820, 10388730, 20777460]

約数ペア:

[(1, 20777460), (2, 10388730), (3, 6925820), (4, 5194365), (5, 4155492), (6, 3462910), (10, 2077746), (11, 1888860), (12, 1731455), (15, 1385164), (20, 1038873), (22, 944430), (30, 692582), (33, 629620), (44, 472215), (55, 377772), (60, 346291), (66, 314810), (110, 188886), (132, 157405), (165, 125924), (220, 94443), (330, 62962), (660, 31481)]