20087851196

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{405553}}^1$

素因数の和:405654

約数の個数: 48

約数和(自身を含む): 42242504640

約数和(自身を除く): 22154653444

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 61, 116, 122, 203, 244, 406, 427, 812, 854, 1708, 1769, 3538, 7076, 12383, 24766, 49532, 405553, 811106, 1622212, 2838871, 5677742, 11355484, 11761037, 23522074, 24738733, 47044148, 49477466, 82327259, 98954932, 164654518, 173171131, 329309036, 346342262, 692684524, 717423257, 1434846514, 2869693028, 5021962799, 10043925598, 20087851196]

約数ペア:

[(1, 20087851196), (2, 10043925598), (4, 5021962799), (7, 2869693028), (14, 1434846514), (28, 717423257), (29, 692684524), (58, 346342262), (61, 329309036), (116, 173171131), (122, 164654518), (203, 98954932), (244, 82327259), (406, 49477466), (427, 47044148), (812, 24738733), (854, 23522074), (1708, 11761037), (1769, 11355484), (3538, 5677742), (7076, 2838871), (12383, 1622212), (24766, 811106), (49532, 405553)]