20095967744

素因数分解:

$2^9\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{55049}}^1$

素因数の和:55121

約数の個数: 80

約数和(自身を含む): 43250803200

約数和(自身を除く): 23154835456

約数列:

[1, 2, 4, 8, 16, 23, 31, 32, 46, 62, 64, 92, 124, 128, 184, 248, 256, 368, 496, 512, 713, 736, 992, 1426, 1472, 1984, 2852, 2944, 3968, 5704, 5888, 7936, 11408, 11776, 15872, 22816, 45632, 55049, 91264, 110098, 182528, 220196, 365056, 440392, 880784, 1266127, 1706519, 1761568, 2532254, 3413038, 3523136, 5064508, 6826076, 7046272, 10129016, 13652152, 14092544, 20258032, 27304304, 28185088, 39249937, 40516064, 54608608, 78499874, 81032128, 109217216, 156999748, 162064256, 218434432, 313999496, 324128512, 436868864, 627998992, 648257024, 873737728, 1255997984, 2511995968, 5023991936, 10047983872, 20095967744]

約数ペア:

[(1, 20095967744), (2, 10047983872), (4, 5023991936), (8, 2511995968), (16, 1255997984), (23, 873737728), (31, 648257024), (32, 627998992), (46, 436868864), (62, 324128512), (64, 313999496), (92, 218434432), (124, 162064256), (128, 156999748), (184, 109217216), (248, 81032128), (256, 78499874), (368, 54608608), (496, 40516064), (512, 39249937), (713, 28185088), (736, 27304304), (992, 20258032), (1426, 14092544), (1472, 13652152), (1984, 10129016), (2852, 7046272), (2944, 6826076), (3968, 5064508), (5704, 3523136), (5888, 3413038), (7936, 2532254), (11408, 1761568), (11776, 1706519), (15872, 1266127), (22816, 880784), (45632, 440392), (55049, 365056), (91264, 220196), (110098, 182528)]