20139673808

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{461}}^1\times {\mathrm{1097}}^1$

素因数の和:1716

約数の個数: 80

約数和(自身を含む): 41515467840

約数和(自身を除く): 21375794032

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 131, 152, 262, 304, 461, 524, 922, 1048, 1097, 1844, 2096, 2194, 2489, 3688, 4388, 4978, 7376, 8759, 8776, 9956, 17518, 17552, 19912, 20843, 35036, 39824, 41686, 60391, 70072, 83372, 120782, 140144, 143707, 166744, 241564, 287414, 333488, 483128, 505717, 574828, 966256, 1011434, 1147429, 1149656, 2022868, 2294858, 2299312, 2730433, 4045736, 4589716, 5460866, 8091472, 9179432, 9608623, 10921732, 18358864, 19217246, 21843464, 38434492, 43686928, 66248927, 76868984, 132497854, 153737968, 264995708, 529991416, 1059982832, 1258729613, 2517459226, 5034918452, 10069836904, 20139673808]

約数ペア:

[(1, 20139673808), (2, 10069836904), (4, 5034918452), (8, 2517459226), (16, 1258729613), (19, 1059982832), (38, 529991416), (76, 264995708), (131, 153737968), (152, 132497854), (262, 76868984), (304, 66248927), (461, 43686928), (524, 38434492), (922, 21843464), (1048, 19217246), (1097, 18358864), (1844, 10921732), (2096, 9608623), (2194, 9179432), (2489, 8091472), (3688, 5460866), (4388, 4589716), (4978, 4045736), (7376, 2730433), (8759, 2299312), (8776, 2294858), (9956, 2022868), (17518, 1149656), (17552, 1147429), (19912, 1011434), (20843, 966256), (35036, 574828), (39824, 505717), (41686, 483128), (60391, 333488), (70072, 287414), (83372, 241564), (120782, 166744), (140144, 143707)]