20809475144

素因数分解:

$2^3\times {\mathrm{83}}^1\times {\mathrm{109}}^1\times {\mathrm{317}}^1\times {\mathrm{907}}^1$

素因数の和:1422

約数の個数: 64

約数和(自身を含む): 40019918400

約数和(自身を除く): 19210443256

約数列:

[1, 2, 4, 8, 83, 109, 166, 218, 317, 332, 436, 634, 664, 872, 907, 1268, 1814, 2536, 3628, 7256, 9047, 18094, 26311, 34553, 36188, 52622, 69106, 72376, 75281, 98863, 105244, 138212, 150562, 197726, 210488, 276424, 287519, 301124, 395452, 575038, 602248, 790904, 1150076, 2300152, 2867899, 5735798, 8205629, 11471596, 16411258, 22943192, 23864077, 31339571, 32822516, 47728154, 62679142, 65645032, 95456308, 125358284, 190912616, 250716568, 2601184393, 5202368786, 10404737572, 20809475144]

約数ペア:

[(1, 20809475144), (2, 10404737572), (4, 5202368786), (8, 2601184393), (83, 250716568), (109, 190912616), (166, 125358284), (218, 95456308), (317, 65645032), (332, 62679142), (436, 47728154), (634, 32822516), (664, 31339571), (872, 23864077), (907, 22943192), (1268, 16411258), (1814, 11471596), (2536, 8205629), (3628, 5735798), (7256, 2867899), (9047, 2300152), (18094, 1150076), (26311, 790904), (34553, 602248), (36188, 575038), (52622, 395452), (69106, 301124), (72376, 287519), (75281, 276424), (98863, 210488), (105244, 197726), (138212, 150562)]