20131968388

素因数分解:

$2^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1\times {\mathrm{743}}^1$

素因数の和:1057

約数の個数: 96

約数和(自身を含む): 41577338880

約数和(自身を除く): 21445370492

約数列:

[1, 2, 4, 7, 14, 28, 83, 89, 131, 166, 178, 262, 332, 356, 524, 581, 623, 743, 917, 1162, 1246, 1486, 1834, 2324, 2492, 2972, 3668, 5201, 7387, 10402, 10873, 11659, 14774, 20804, 21746, 23318, 29548, 43492, 46636, 51709, 61669, 66127, 76111, 81613, 97333, 103418, 123338, 132254, 152222, 163226, 194666, 206836, 246676, 264508, 304444, 326452, 389332, 431683, 462889, 681331, 863366, 925778, 967697, 1362662, 1726732, 1851556, 1935394, 2725324, 3870788, 5488541, 6773879, 8078639, 8662637, 10977082, 13547758, 16157278, 17325274, 21954164, 27095516, 32314556, 34650548, 38419787, 56550473, 60638459, 76839574, 113100946, 121276918, 153679148, 226201892, 242553836, 718998871, 1437997742, 2875995484, 5032992097, 10065984194, 20131968388]

約数ペア:

[(1, 20131968388), (2, 10065984194), (4, 5032992097), (7, 2875995484), (14, 1437997742), (28, 718998871), (83, 242553836), (89, 226201892), (131, 153679148), (166, 121276918), (178, 113100946), (262, 76839574), (332, 60638459), (356, 56550473), (524, 38419787), (581, 34650548), (623, 32314556), (743, 27095516), (917, 21954164), (1162, 17325274), (1246, 16157278), (1486, 13547758), (1834, 10977082), (2324, 8662637), (2492, 8078639), (2972, 6773879), (3668, 5488541), (5201, 3870788), (7387, 2725324), (10402, 1935394), (10873, 1851556), (11659, 1726732), (14774, 1362662), (20804, 967697), (21746, 925778), (23318, 863366), (29548, 681331), (43492, 462889), (46636, 431683), (51709, 389332), (61669, 326452), (66127, 304444), (76111, 264508), (81613, 246676), (97333, 206836), (103418, 194666), (123338, 163226), (132254, 152222)]