20366556

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1823}}^1$

素因数の和:1863

約数の個数: 72

約数和(自身を含む): 58222080

約数和(自身を除く): 37855524

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 49, 57, 76, 84, 98, 114, 133, 147, 196, 228, 266, 294, 399, 532, 588, 798, 931, 1596, 1823, 1862, 2793, 3646, 3724, 5469, 5586, 7292, 10938, 11172, 12761, 21876, 25522, 34637, 38283, 51044, 69274, 76566, 89327, 103911, 138548, 153132, 178654, 207822, 242459, 267981, 357308, 415644, 484918, 535962, 727377, 969836, 1071924, 1454754, 1697213, 2909508, 3394426, 5091639, 6788852, 10183278, 20366556]

約数ペア:

[(1, 20366556), (2, 10183278), (3, 6788852), (4, 5091639), (6, 3394426), (7, 2909508), (12, 1697213), (14, 1454754), (19, 1071924), (21, 969836), (28, 727377), (38, 535962), (42, 484918), (49, 415644), (57, 357308), (76, 267981), (84, 242459), (98, 207822), (114, 178654), (133, 153132), (147, 138548), (196, 103911), (228, 89327), (266, 76566), (294, 69274), (399, 51044), (532, 38283), (588, 34637), (798, 25522), (931, 21876), (1596, 12761), (1823, 11172), (1862, 10938), (2793, 7292), (3646, 5586), (3724, 5469)]