20512508588

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{401}}^1\times {\mathrm{2417}}^1$

素因数の和:2883

約数の個数: 96

約数和(自身を含む): 43438344768

約数和(自身を除く): 22925836180

約数列:

[1, 2, 4, 11, 13, 22, 26, 37, 44, 52, 74, 143, 148, 286, 401, 407, 481, 572, 802, 814, 962, 1604, 1628, 1924, 2417, 4411, 4834, 5213, 5291, 8822, 9668, 10426, 10582, 14837, 17644, 20852, 21164, 26587, 29674, 31421, 53174, 57343, 59348, 62842, 89429, 106348, 114686, 125684, 163207, 178858, 192881, 229372, 326414, 345631, 357716, 385762, 652828, 691262, 771524, 969217, 983719, 1162577, 1382524, 1938434, 1967438, 2121691, 2325154, 3876868, 3934876, 4243382, 4650308, 8486764, 10661387, 12599821, 12788347, 21322774, 25199642, 25576694, 35861029, 42645548, 50399284, 51153388, 71722058, 138598031, 143444116, 277196062, 394471319, 466193377, 554392124, 788942638, 932386754, 1577885276, 1864773508, 5128127147, 10256254294, 20512508588]

約数ペア:

[(1, 20512508588), (2, 10256254294), (4, 5128127147), (11, 1864773508), (13, 1577885276), (22, 932386754), (26, 788942638), (37, 554392124), (44, 466193377), (52, 394471319), (74, 277196062), (143, 143444116), (148, 138598031), (286, 71722058), (401, 51153388), (407, 50399284), (481, 42645548), (572, 35861029), (802, 25576694), (814, 25199642), (962, 21322774), (1604, 12788347), (1628, 12599821), (1924, 10661387), (2417, 8486764), (4411, 4650308), (4834, 4243382), (5213, 3934876), (5291, 3876868), (8822, 2325154), (9668, 2121691), (10426, 1967438), (10582, 1938434), (14837, 1382524), (17644, 1162577), (20852, 983719), (21164, 969217), (26587, 771524), (29674, 691262), (31421, 652828), (53174, 385762), (57343, 357716), (59348, 345631), (62842, 326414), (89429, 229372), (106348, 192881), (114686, 178858), (125684, 163207)]