20139965780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{9371}}^1\times {\mathrm{9769}}^1$

素因数の和:19160

約数の個数: 48

約数和(自身を含む): 46148477760

約数和(自身を除く): 26008511980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 9371, 9769, 18742, 19538, 37484, 39076, 46855, 48845, 93710, 97690, 103081, 107459, 187420, 195380, 206162, 214918, 412324, 429836, 515405, 537295, 1030810, 1074590, 2061620, 2149180, 91545299, 183090598, 366181196, 457726495, 915452990, 1006998289, 1830905980, 2013996578, 4027993156, 5034991445, 10069982890, 20139965780]

約数ペア:

[(1, 20139965780), (2, 10069982890), (4, 5034991445), (5, 4027993156), (10, 2013996578), (11, 1830905980), (20, 1006998289), (22, 915452990), (44, 457726495), (55, 366181196), (110, 183090598), (220, 91545299), (9371, 2149180), (9769, 2061620), (18742, 1074590), (19538, 1030810), (37484, 537295), (39076, 515405), (46855, 429836), (48845, 412324), (93710, 214918), (97690, 206162), (103081, 195380), (107459, 187420)]