20144821060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{4447}}^1$

素因数の和:4626

約数の個数: 192

約数和(自身を含む): 55237754880

約数和(自身を除く): 35092933820

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 19, 20, 26, 28, 35, 38, 52, 65, 70, 76, 91, 95, 130, 131, 133, 140, 182, 190, 247, 260, 262, 266, 364, 380, 455, 494, 524, 532, 655, 665, 910, 917, 988, 1235, 1310, 1330, 1703, 1729, 1820, 1834, 2470, 2489, 2620, 2660, 3406, 3458, 3668, 4447, 4585, 4940, 4978, 6812, 6916, 8515, 8645, 8894, 9170, 9956, 11921, 12445, 17030, 17290, 17423, 17788, 18340, 22235, 23842, 24890, 31129, 32357, 34060, 34580, 34846, 44470, 47684, 49780, 57811, 59605, 62258, 64714, 69692, 84493, 87115, 88940, 115622, 119210, 124516, 129428, 155645, 161785, 168986, 174230, 226499, 231244, 238420, 289055, 311290, 323570, 337972, 348460, 404677, 422465, 452998, 578110, 582557, 591451, 622580, 647140, 809354, 844930, 905996, 1098409, 1132495, 1156220, 1165114, 1182902, 1618708, 1689860, 2023385, 2196818, 2264990, 2330228, 2365804, 2912785, 2957255, 4046770, 4077899, 4393636, 4529980, 5492045, 5825570, 5914510, 7573241, 7688863, 8093540, 8155798, 10984090, 11068583, 11651140, 11829020, 15146482, 15377726, 16311596, 20389495, 21968180, 22137166, 30292964, 30755452, 37866205, 38444315, 40778990, 44274332, 53012687, 55342915, 75732410, 76888630, 77480081, 81557980, 106025374, 110685830, 143891579, 151464820, 153777260, 154960162, 212050748, 221371660, 265063435, 287783158, 309920324, 387400405, 530126870, 575566316, 719457895, 774800810, 1007241053, 1060253740, 1438915790, 1549601620, 2014482106, 2877831580, 4028964212, 5036205265, 10072410530, 20144821060]

約数ペア:

[(1, 20144821060), (2, 10072410530), (4, 5036205265), (5, 4028964212), (7, 2877831580), (10, 2014482106), (13, 1549601620), (14, 1438915790), (19, 1060253740), (20, 1007241053), (26, 774800810), (28, 719457895), (35, 575566316), (38, 530126870), (52, 387400405), (65, 309920324), (70, 287783158), (76, 265063435), (91, 221371660), (95, 212050748), (130, 154960162), (131, 153777260), (133, 151464820), (140, 143891579), (182, 110685830), (190, 106025374), (247, 81557980), (260, 77480081), (262, 76888630), (266, 75732410), (364, 55342915), (380, 53012687), (455, 44274332), (494, 40778990), (524, 38444315), (532, 37866205), (655, 30755452), (665, 30292964), (910, 22137166), (917, 21968180), (988, 20389495), (1235, 16311596), (1310, 15377726), (1330, 15146482), (1703, 11829020), (1729, 11651140), (1820, 11068583), (1834, 10984090), (2470, 8155798), (2489, 8093540), (2620, 7688863), (2660, 7573241), (3406, 5914510), (3458, 5825570), (3668, 5492045), (4447, 4529980), (4585, 4393636), (4940, 4077899), (4978, 4046770), (6812, 2957255), (6916, 2912785), (8515, 2365804), (8645, 2330228), (8894, 2264990), (9170, 2196818), (9956, 2023385), (11921, 1689860), (12445, 1618708), (17030, 1182902), (17290, 1165114), (17423, 1156220), (17788, 1132495), (18340, 1098409), (22235, 905996), (23842, 844930), (24890, 809354), (31129, 647140), (32357, 622580), (34060, 591451), (34580, 582557), (34846, 578110), (44470, 452998), (47684, 422465), (49780, 404677), (57811, 348460), (59605, 337972), (62258, 323570), (64714, 311290), (69692, 289055), (84493, 238420), (87115, 231244), (88940, 226499), (115622, 174230), (119210, 168986), (124516, 161785), (129428, 155645)]