20174680176

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{487}}^1\times {\mathrm{887}}^1$

素因数の和:1531

約数の個数: 160

約数和(自身を含む): 60182814720

約数和(自身を除く): 40008134544

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 139, 168, 278, 336, 417, 487, 556, 834, 887, 973, 974, 1112, 1461, 1668, 1774, 1946, 1948, 2224, 2661, 2919, 2922, 3336, 3409, 3548, 3892, 3896, 5322, 5838, 5844, 6209, 6672, 6818, 7096, 7784, 7792, 10227, 10644, 11676, 11688, 12418, 13636, 14192, 15568, 18627, 20454, 21288, 23352, 23376, 24836, 27272, 37254, 40908, 42576, 46704, 49672, 54544, 67693, 74508, 81816, 99344, 123293, 135386, 149016, 163632, 203079, 246586, 270772, 298032, 369879, 406158, 431969, 473851, 493172, 541544, 739758, 812316, 863051, 863938, 947702, 986344, 1083088, 1295907, 1421553, 1479516, 1624632, 1726102, 1727876, 1895404, 1972688, 2589153, 2591814, 2843106, 2959032, 3023783, 3249264, 3452204, 3455752, 3790808, 5178306, 5183628, 5686212, 5918064, 6047566, 6904408, 6911504, 7581616, 9071349, 10356612, 10367256, 11372424, 12095132, 13808816, 18142698, 20713224, 20734512, 22744848, 24190264, 36285396, 41426448, 48380528, 60043691, 72570792, 120087382, 145141584, 180131073, 240174764, 360262146, 420305837, 480349528, 720524292, 840611674, 960699056, 1260917511, 1441048584, 1681223348, 2521835022, 2882097168, 3362446696, 5043670044, 6724893392, 10087340088, 20174680176]

約数ペア:

[(1, 20174680176), (2, 10087340088), (3, 6724893392), (4, 5043670044), (6, 3362446696), (7, 2882097168), (8, 2521835022), (12, 1681223348), (14, 1441048584), (16, 1260917511), (21, 960699056), (24, 840611674), (28, 720524292), (42, 480349528), (48, 420305837), (56, 360262146), (84, 240174764), (112, 180131073), (139, 145141584), (168, 120087382), (278, 72570792), (336, 60043691), (417, 48380528), (487, 41426448), (556, 36285396), (834, 24190264), (887, 22744848), (973, 20734512), (974, 20713224), (1112, 18142698), (1461, 13808816), (1668, 12095132), (1774, 11372424), (1946, 10367256), (1948, 10356612), (2224, 9071349), (2661, 7581616), (2919, 6911504), (2922, 6904408), (3336, 6047566), (3409, 5918064), (3548, 5686212), (3892, 5183628), (3896, 5178306), (5322, 3790808), (5838, 3455752), (5844, 3452204), (6209, 3249264), (6672, 3023783), (6818, 2959032), (7096, 2843106), (7784, 2591814), (7792, 2589153), (10227, 1972688), (10644, 1895404), (11676, 1727876), (11688, 1726102), (12418, 1624632), (13636, 1479516), (14192, 1421553), (15568, 1295907), (18627, 1083088), (20454, 986344), (21288, 947702), (23352, 863938), (23376, 863051), (24836, 812316), (27272, 739758), (37254, 541544), (40908, 493172), (42576, 473851), (46704, 431969), (49672, 406158), (54544, 369879), (67693, 298032), (74508, 270772), (81816, 246586), (99344, 203079), (123293, 163632), (135386, 149016)]