20752524

素因数分解:

$2^2\times 3^4\times {\mathrm{13}}^2\times {\mathrm{379}}^1$

素因数の和:421

約数の個数: 90

約数和(自身を含む): 58900380

約数和(自身を除く): 38147856

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 81, 108, 117, 156, 162, 169, 234, 324, 338, 351, 379, 468, 507, 676, 702, 758, 1014, 1053, 1137, 1404, 1516, 1521, 2028, 2106, 2274, 3042, 3411, 4212, 4548, 4563, 4927, 6084, 6822, 9126, 9854, 10233, 13644, 13689, 14781, 18252, 19708, 20466, 27378, 29562, 30699, 40932, 44343, 54756, 59124, 61398, 64051, 88686, 122796, 128102, 133029, 177372, 192153, 256204, 266058, 384306, 399087, 532116, 576459, 768612, 798174, 1152918, 1596348, 1729377, 2305836, 3458754, 5188131, 6917508, 10376262, 20752524]

約数ペア:

[(1, 20752524), (2, 10376262), (3, 6917508), (4, 5188131), (6, 3458754), (9, 2305836), (12, 1729377), (13, 1596348), (18, 1152918), (26, 798174), (27, 768612), (36, 576459), (39, 532116), (52, 399087), (54, 384306), (78, 266058), (81, 256204), (108, 192153), (117, 177372), (156, 133029), (162, 128102), (169, 122796), (234, 88686), (324, 64051), (338, 61398), (351, 59124), (379, 54756), (468, 44343), (507, 40932), (676, 30699), (702, 29562), (758, 27378), (1014, 20466), (1053, 19708), (1137, 18252), (1404, 14781), (1516, 13689), (1521, 13644), (2028, 10233), (2106, 9854), (2274, 9126), (3042, 6822), (3411, 6084), (4212, 4927), (4548, 4563)]