20805930249

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{499}}^1$

素因数の和:651

約数の個数: 96

約数和(自身を含む): 32702208000

約数和(自身を除く): 11896277751

約数列:

[1, 3, 13, 23, 39, 43, 47, 69, 129, 141, 299, 499, 529, 559, 611, 897, 989, 1081, 1497, 1587, 1677, 1833, 2021, 2967, 3243, 6063, 6487, 6877, 11477, 12857, 14053, 19461, 20631, 21457, 22747, 23453, 24863, 26273, 34431, 38571, 42159, 46483, 64371, 68241, 70359, 74589, 78819, 139449, 149201, 263971, 278941, 295711, 304889, 323219, 447603, 493511, 539419, 604279, 791913, 836823, 887133, 914667, 969657, 1008479, 1069109, 1480533, 1618257, 1812837, 3025437, 3207327, 3431623, 6415643, 7012447, 10294869, 11350753, 12406637, 13110227, 13898417, 19246929, 21037341, 23195017, 34052259, 37219911, 39330681, 41695251, 69585051, 147559789, 161286281, 301535221, 442679367, 483858843, 533485391, 904605663, 1600456173, 6935310083, 20805930249]

約数ペア:

[(1, 20805930249), (3, 6935310083), (13, 1600456173), (23, 904605663), (39, 533485391), (43, 483858843), (47, 442679367), (69, 301535221), (129, 161286281), (141, 147559789), (299, 69585051), (499, 41695251), (529, 39330681), (559, 37219911), (611, 34052259), (897, 23195017), (989, 21037341), (1081, 19246929), (1497, 13898417), (1587, 13110227), (1677, 12406637), (1833, 11350753), (2021, 10294869), (2967, 7012447), (3243, 6415643), (6063, 3431623), (6487, 3207327), (6877, 3025437), (11477, 1812837), (12857, 1618257), (14053, 1480533), (19461, 1069109), (20631, 1008479), (21457, 969657), (22747, 914667), (23453, 887133), (24863, 836823), (26273, 791913), (34431, 604279), (38571, 539419), (42159, 493511), (46483, 447603), (64371, 323219), (68241, 304889), (70359, 295711), (74589, 278941), (78819, 263971), (139449, 149201)]