20145219171

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1\times {\mathrm{277}}^1$

素因数の和:529

約数の個数: 128

約数和(自身を含む): 35308437504

約数和(自身を除く): 15163218333

約数列:

[1, 3, 7, 11, 21, 33, 37, 67, 77, 111, 127, 201, 231, 259, 277, 381, 407, 469, 737, 777, 831, 889, 1221, 1397, 1407, 1939, 2211, 2479, 2667, 2849, 3047, 4191, 4699, 5159, 5817, 7437, 8509, 8547, 9141, 9779, 10249, 14097, 15477, 17353, 18559, 21329, 25527, 27269, 29337, 30747, 32893, 35179, 51689, 52059, 55677, 59563, 63987, 71743, 81807, 93599, 98679, 105537, 112739, 129913, 155067, 178689, 190883, 204149, 215229, 246253, 280797, 314833, 338217, 361823, 386969, 389739, 572649, 612447, 655193, 686683, 738759, 789173, 944499, 1085469, 1160907, 1301623, 1429043, 1965579, 2060049, 2203831, 2356993, 2367519, 2708783, 3463163, 3904869, 4287129, 4806781, 6611493, 7070979, 7553513, 8126349, 9111361, 10389489, 14317853, 14420343, 16498951, 22660539, 24242141, 25926923, 27334083, 42953559, 49496853, 52874591, 72726423, 77780769, 87208741, 100224971, 158623773, 181488461, 261626223, 300674913, 544465383, 610461187, 959296151, 1831383561, 2877888453, 6715073057, 20145219171]

約数ペア:

[(1, 20145219171), (3, 6715073057), (7, 2877888453), (11, 1831383561), (21, 959296151), (33, 610461187), (37, 544465383), (67, 300674913), (77, 261626223), (111, 181488461), (127, 158623773), (201, 100224971), (231, 87208741), (259, 77780769), (277, 72726423), (381, 52874591), (407, 49496853), (469, 42953559), (737, 27334083), (777, 25926923), (831, 24242141), (889, 22660539), (1221, 16498951), (1397, 14420343), (1407, 14317853), (1939, 10389489), (2211, 9111361), (2479, 8126349), (2667, 7553513), (2849, 7070979), (3047, 6611493), (4191, 4806781), (4699, 4287129), (5159, 3904869), (5817, 3463163), (7437, 2708783), (8509, 2367519), (8547, 2356993), (9141, 2203831), (9779, 2060049), (10249, 1965579), (14097, 1429043), (15477, 1301623), (17353, 1160907), (18559, 1085469), (21329, 944499), (25527, 789173), (27269, 738759), (29337, 686683), (30747, 655193), (32893, 612447), (35179, 572649), (51689, 389739), (52059, 386969), (55677, 361823), (59563, 338217), (63987, 314833), (71743, 280797), (81807, 246253), (93599, 215229), (98679, 204149), (105537, 190883), (112739, 178689), (129913, 155067)]