20574948

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:169

約数の個数: 96

約数和(自身を含む): 54190080

約数和(自身を除く): 33615132

約数列:

[1, 2, 3, 4, 6, 12, 19, 31, 38, 41, 57, 62, 71, 76, 82, 93, 114, 123, 124, 142, 164, 186, 213, 228, 246, 284, 372, 426, 492, 589, 779, 852, 1178, 1271, 1349, 1558, 1767, 2201, 2337, 2356, 2542, 2698, 2911, 3116, 3534, 3813, 4047, 4402, 4674, 5084, 5396, 5822, 6603, 7068, 7626, 8094, 8733, 8804, 9348, 11644, 13206, 15252, 16188, 17466, 24149, 26412, 34932, 41819, 48298, 55309, 72447, 83638, 90241, 96596, 110618, 125457, 144894, 165927, 167276, 180482, 221236, 250914, 270723, 289788, 331854, 360964, 501828, 541446, 663708, 1082892, 1714579, 3429158, 5143737, 6858316, 10287474, 20574948]

約数ペア:

[(1, 20574948), (2, 10287474), (3, 6858316), (4, 5143737), (6, 3429158), (12, 1714579), (19, 1082892), (31, 663708), (38, 541446), (41, 501828), (57, 360964), (62, 331854), (71, 289788), (76, 270723), (82, 250914), (93, 221236), (114, 180482), (123, 167276), (124, 165927), (142, 144894), (164, 125457), (186, 110618), (213, 96596), (228, 90241), (246, 83638), (284, 72447), (372, 55309), (426, 48298), (492, 41819), (589, 34932), (779, 26412), (852, 24149), (1178, 17466), (1271, 16188), (1349, 15252), (1558, 13206), (1767, 11644), (2201, 9348), (2337, 8804), (2356, 8733), (2542, 8094), (2698, 7626), (2911, 7068), (3116, 6603), (3534, 5822), (3813, 5396), (4047, 5084), (4402, 4674)]