20123809860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1423}}^1\times {\mathrm{3061}}^1$

素因数の和:4514

約数の個数: 192

約数和(自身を含む): 70322724864

約数和(自身を除く): 50198915004

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 55, 60, 66, 70, 77, 84, 105, 110, 132, 140, 154, 165, 210, 220, 231, 308, 330, 385, 420, 462, 660, 770, 924, 1155, 1423, 1540, 2310, 2846, 3061, 4269, 4620, 5692, 6122, 7115, 8538, 9183, 9961, 12244, 14230, 15305, 15653, 17076, 18366, 19922, 21345, 21427, 28460, 29883, 30610, 31306, 33671, 36732, 39844, 42690, 42854, 45915, 46959, 49805, 59766, 61220, 62612, 64281, 67342, 78265, 85380, 85708, 91830, 93918, 99610, 101013, 107135, 109571, 119532, 128562, 134684, 149415, 156530, 168355, 183660, 187836, 199220, 202026, 214270, 219142, 234795, 235697, 257124, 298830, 313060, 321405, 328713, 336710, 404052, 428540, 438284, 469590, 471394, 505065, 547855, 597660, 642810, 657426, 673420, 707091, 939180, 942788, 1010130, 1095710, 1178485, 1285620, 1314852, 1414182, 1643565, 2020260, 2191420, 2356970, 2828364, 3287130, 3535455, 4355803, 4713940, 6574260, 7070910, 8711606, 13067409, 14141820, 17423212, 21779015, 26134818, 30490621, 43558030, 47913833, 52269636, 60981242, 65337045, 87116060, 91471863, 95827666, 121962484, 130674090, 143741499, 152453105, 182943726, 191655332, 239569165, 261348180, 287482998, 304906210, 335396831, 365887452, 457359315, 479138330, 574965996, 609812420, 670793662, 718707495, 914718630, 958276660, 1006190493, 1341587324, 1437414990, 1676984155, 1829437260, 2012380986, 2874829980, 3353968310, 4024761972, 5030952465, 6707936620, 10061904930, 20123809860]

約数ペア:

[(1, 20123809860), (2, 10061904930), (3, 6707936620), (4, 5030952465), (5, 4024761972), (6, 3353968310), (7, 2874829980), (10, 2012380986), (11, 1829437260), (12, 1676984155), (14, 1437414990), (15, 1341587324), (20, 1006190493), (21, 958276660), (22, 914718630), (28, 718707495), (30, 670793662), (33, 609812420), (35, 574965996), (42, 479138330), (44, 457359315), (55, 365887452), (60, 335396831), (66, 304906210), (70, 287482998), (77, 261348180), (84, 239569165), (105, 191655332), (110, 182943726), (132, 152453105), (140, 143741499), (154, 130674090), (165, 121962484), (210, 95827666), (220, 91471863), (231, 87116060), (308, 65337045), (330, 60981242), (385, 52269636), (420, 47913833), (462, 43558030), (660, 30490621), (770, 26134818), (924, 21779015), (1155, 17423212), (1423, 14141820), (1540, 13067409), (2310, 8711606), (2846, 7070910), (3061, 6574260), (4269, 4713940), (4620, 4355803), (5692, 3535455), (6122, 3287130), (7115, 2828364), (8538, 2356970), (9183, 2191420), (9961, 2020260), (12244, 1643565), (14230, 1414182), (15305, 1314852), (15653, 1285620), (17076, 1178485), (18366, 1095710), (19922, 1010130), (21345, 942788), (21427, 939180), (28460, 707091), (29883, 673420), (30610, 657426), (31306, 642810), (33671, 597660), (36732, 547855), (39844, 505065), (42690, 471394), (42854, 469590), (45915, 438284), (46959, 428540), (49805, 404052), (59766, 336710), (61220, 328713), (62612, 321405), (64281, 313060), (67342, 298830), (78265, 257124), (85380, 235697), (85708, 234795), (91830, 219142), (93918, 214270), (99610, 202026), (101013, 199220), (107135, 187836), (109571, 183660), (119532, 168355), (128562, 156530), (134684, 149415)]