20167958140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{127}}^1\times {\mathrm{211}}^1\times {\mathrm{311}}^1$

素因数の和:680

約数の個数: 144

約数和(自身を含む): 47293489152

約数和(自身を除く): 27125531012

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 127, 211, 220, 242, 254, 311, 422, 484, 508, 605, 622, 635, 844, 1055, 1210, 1244, 1270, 1397, 1555, 2110, 2321, 2420, 2540, 2794, 3110, 3421, 4220, 4642, 5588, 6220, 6842, 6985, 9284, 11605, 13684, 13970, 15367, 17105, 23210, 25531, 26797, 27940, 30734, 34210, 37631, 39497, 46420, 51062, 53594, 61468, 65621, 68420, 75262, 76835, 78994, 102124, 107188, 127655, 131242, 133985, 150524, 153670, 157988, 188155, 197485, 255310, 262484, 267970, 294767, 307340, 328105, 376310, 394970, 434467, 510620, 535940, 589534, 656210, 721831, 752620, 789940, 868934, 1179068, 1312420, 1443662, 1473835, 1737868, 2172335, 2887324, 2947670, 3242437, 3609155, 4344670, 4779137, 5895340, 6484874, 7218310, 7940141, 8333867, 8689340, 9558274, 12969748, 14436620, 15880282, 16212185, 16667734, 19116548, 23895685, 31760564, 32424370, 33335468, 39700705, 41669335, 47791370, 64848740, 79401410, 83338670, 91672537, 95582740, 158802820, 166677340, 183345074, 366690148, 458362685, 916725370, 1008397907, 1833450740, 2016795814, 4033591628, 5041989535, 10083979070, 20167958140]

約数ペア:

[(1, 20167958140), (2, 10083979070), (4, 5041989535), (5, 4033591628), (10, 2016795814), (11, 1833450740), (20, 1008397907), (22, 916725370), (44, 458362685), (55, 366690148), (110, 183345074), (121, 166677340), (127, 158802820), (211, 95582740), (220, 91672537), (242, 83338670), (254, 79401410), (311, 64848740), (422, 47791370), (484, 41669335), (508, 39700705), (605, 33335468), (622, 32424370), (635, 31760564), (844, 23895685), (1055, 19116548), (1210, 16667734), (1244, 16212185), (1270, 15880282), (1397, 14436620), (1555, 12969748), (2110, 9558274), (2321, 8689340), (2420, 8333867), (2540, 7940141), (2794, 7218310), (3110, 6484874), (3421, 5895340), (4220, 4779137), (4642, 4344670), (5588, 3609155), (6220, 3242437), (6842, 2947670), (6985, 2887324), (9284, 2172335), (11605, 1737868), (13684, 1473835), (13970, 1443662), (15367, 1312420), (17105, 1179068), (23210, 868934), (25531, 789940), (26797, 752620), (27940, 721831), (30734, 656210), (34210, 589534), (37631, 535940), (39497, 510620), (46420, 434467), (51062, 394970), (53594, 376310), (61468, 328105), (65621, 307340), (68420, 294767), (75262, 267970), (76835, 262484), (78994, 255310), (102124, 197485), (107188, 188155), (127655, 157988), (131242, 153670), (133985, 150524)]