20471892

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1$

素因数の和:261

約数の個数: 96

約数和(自身を含む): 58490880

約数和(自身を除く): 38018988

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 57, 76, 84, 101, 114, 127, 133, 202, 228, 254, 266, 303, 381, 399, 404, 508, 532, 606, 707, 762, 798, 889, 1212, 1414, 1524, 1596, 1778, 1919, 2121, 2413, 2667, 2828, 3556, 3838, 4242, 4826, 5334, 5757, 7239, 7676, 8484, 9652, 10668, 11514, 12827, 13433, 14478, 16891, 23028, 25654, 26866, 28956, 33782, 38481, 40299, 50673, 51308, 53732, 67564, 76962, 80598, 89789, 101346, 153924, 161196, 179578, 202692, 243713, 269367, 359156, 487426, 538734, 731139, 974852, 1077468, 1462278, 1705991, 2924556, 3411982, 5117973, 6823964, 10235946, 20471892]

約数ペア:

[(1, 20471892), (2, 10235946), (3, 6823964), (4, 5117973), (6, 3411982), (7, 2924556), (12, 1705991), (14, 1462278), (19, 1077468), (21, 974852), (28, 731139), (38, 538734), (42, 487426), (57, 359156), (76, 269367), (84, 243713), (101, 202692), (114, 179578), (127, 161196), (133, 153924), (202, 101346), (228, 89789), (254, 80598), (266, 76962), (303, 67564), (381, 53732), (399, 51308), (404, 50673), (508, 40299), (532, 38481), (606, 33782), (707, 28956), (762, 26866), (798, 25654), (889, 23028), (1212, 16891), (1414, 14478), (1524, 13433), (1596, 12827), (1778, 11514), (1919, 10668), (2121, 9652), (2413, 8484), (2667, 7676), (2828, 7239), (3556, 5757), (3838, 5334), (4242, 4826)]