20068788

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:181

約数の個数: 96

約数和(自身を含む): 53222400

約数和(自身を除く): 33153612

約数列:

[1, 2, 3, 4, 6, 12, 19, 23, 38, 43, 46, 57, 69, 76, 86, 89, 92, 114, 129, 138, 172, 178, 228, 258, 267, 276, 356, 437, 516, 534, 817, 874, 989, 1068, 1311, 1634, 1691, 1748, 1978, 2047, 2451, 2622, 2967, 3268, 3382, 3827, 3956, 4094, 4902, 5073, 5244, 5934, 6141, 6764, 7654, 8188, 9804, 10146, 11481, 11868, 12282, 15308, 18791, 20292, 22962, 24564, 37582, 38893, 45924, 56373, 72713, 75164, 77786, 88021, 112746, 116679, 145426, 155572, 176042, 218139, 225492, 233358, 264063, 290852, 352084, 436278, 466716, 528126, 872556, 1056252, 1672399, 3344798, 5017197, 6689596, 10034394, 20068788]

約数ペア:

[(1, 20068788), (2, 10034394), (3, 6689596), (4, 5017197), (6, 3344798), (12, 1672399), (19, 1056252), (23, 872556), (38, 528126), (43, 466716), (46, 436278), (57, 352084), (69, 290852), (76, 264063), (86, 233358), (89, 225492), (92, 218139), (114, 176042), (129, 155572), (138, 145426), (172, 116679), (178, 112746), (228, 88021), (258, 77786), (267, 75164), (276, 72713), (356, 56373), (437, 45924), (516, 38893), (534, 37582), (817, 24564), (874, 22962), (989, 20292), (1068, 18791), (1311, 15308), (1634, 12282), (1691, 11868), (1748, 11481), (1978, 10146), (2047, 9804), (2451, 8188), (2622, 7654), (2967, 6764), (3268, 6141), (3382, 5934), (3827, 5244), (3956, 5073), (4094, 4902)]