20900064

素因数分解:

$2^5\times 3^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:200

約数の個数: 96

約数和(自身を含む): 57746304

約数和(自身を除く): 36846240

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 43, 48, 61, 83, 86, 96, 122, 129, 166, 172, 183, 244, 249, 258, 332, 344, 366, 488, 498, 516, 664, 688, 732, 976, 996, 1032, 1328, 1376, 1464, 1952, 1992, 2064, 2623, 2656, 2928, 3569, 3984, 4128, 5063, 5246, 5856, 7138, 7869, 7968, 10126, 10492, 10707, 14276, 15189, 15738, 20252, 20984, 21414, 28552, 30378, 31476, 40504, 41968, 42828, 57104, 60756, 62952, 81008, 83936, 85656, 114208, 121512, 125904, 162016, 171312, 217709, 243024, 251808, 342624, 435418, 486048, 653127, 870836, 1306254, 1741672, 2612508, 3483344, 5225016, 6966688, 10450032, 20900064]

約数ペア:

[(1, 20900064), (2, 10450032), (3, 6966688), (4, 5225016), (6, 3483344), (8, 2612508), (12, 1741672), (16, 1306254), (24, 870836), (32, 653127), (43, 486048), (48, 435418), (61, 342624), (83, 251808), (86, 243024), (96, 217709), (122, 171312), (129, 162016), (166, 125904), (172, 121512), (183, 114208), (244, 85656), (249, 83936), (258, 81008), (332, 62952), (344, 60756), (366, 57104), (488, 42828), (498, 41968), (516, 40504), (664, 31476), (688, 30378), (732, 28552), (976, 21414), (996, 20984), (1032, 20252), (1328, 15738), (1376, 15189), (1464, 14276), (1952, 10707), (1992, 10492), (2064, 10126), (2623, 7968), (2656, 7869), (2928, 7138), (3569, 5856), (3984, 5246), (4128, 5063)]