20610365620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{631}}^1\times {\mathrm{125627}}^1$

素因数の和:126280

約数の個数: 48

約数和(自身を含む): 46685374848

約数和(自身を除く): 26075009228

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 631, 1262, 2524, 3155, 6310, 8203, 12620, 16406, 32812, 41015, 82030, 125627, 164060, 251254, 502508, 628135, 1256270, 1633151, 2512540, 3266302, 6532604, 8165755, 16331510, 32663020, 79270637, 158541274, 317082548, 396353185, 792706370, 1030518281, 1585412740, 2061036562, 4122073124, 5152591405, 10305182810, 20610365620]

約数ペア:

[(1, 20610365620), (2, 10305182810), (4, 5152591405), (5, 4122073124), (10, 2061036562), (13, 1585412740), (20, 1030518281), (26, 792706370), (52, 396353185), (65, 317082548), (130, 158541274), (260, 79270637), (631, 32663020), (1262, 16331510), (2524, 8165755), (3155, 6532604), (6310, 3266302), (8203, 2512540), (12620, 1633151), (16406, 1256270), (32812, 628135), (41015, 502508), (82030, 251254), (125627, 164060)]