20561284920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{15576731}}^1$

素因数の和:15576756

約数の個数: 64

約数和(自身を含む): 67291482240

約数和(自身を除く): 46730197320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 15576731, 31153462, 46730193, 62306924, 77883655, 93460386, 124613848, 155767310, 171344041, 186920772, 233650965, 311534620, 342688082, 373841544, 467301930, 514032123, 623069240, 685376164, 856720205, 934603860, 1028064246, 1370752328, 1713440410, 1869207720, 2056128492, 2570160615, 3426880820, 4112256984, 5140321230, 6853761640, 10280642460, 20561284920]

約数ペア:

[(1, 20561284920), (2, 10280642460), (3, 6853761640), (4, 5140321230), (5, 4112256984), (6, 3426880820), (8, 2570160615), (10, 2056128492), (11, 1869207720), (12, 1713440410), (15, 1370752328), (20, 1028064246), (22, 934603860), (24, 856720205), (30, 685376164), (33, 623069240), (40, 514032123), (44, 467301930), (55, 373841544), (60, 342688082), (66, 311534620), (88, 233650965), (110, 186920772), (120, 171344041), (132, 155767310), (165, 124613848), (220, 93460386), (264, 77883655), (330, 62306924), (440, 46730193), (660, 31153462), (1320, 15576731)]