20806483992

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{449}}^1\times {\mathrm{2731}}^1$

素因数の和:3297

約数の個数: 128

約数和(自身を含む): 60191424000

約数和(自身を除く): 39384940008

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 101, 168, 202, 303, 404, 449, 606, 707, 808, 898, 1212, 1347, 1414, 1796, 2121, 2424, 2694, 2731, 2828, 3143, 3592, 4242, 5388, 5462, 5656, 6286, 8193, 8484, 9429, 10776, 10924, 12572, 16386, 16968, 18858, 19117, 21848, 25144, 32772, 37716, 38234, 45349, 57351, 65544, 75432, 76468, 90698, 114702, 136047, 152936, 181396, 229404, 272094, 275831, 317443, 362792, 458808, 544188, 551662, 634886, 827493, 952329, 1088376, 1103324, 1226219, 1269772, 1654986, 1904658, 1930817, 2206648, 2452438, 2539544, 3309972, 3678657, 3809316, 3861634, 4904876, 5792451, 6619944, 7357314, 7618632, 7723268, 8583533, 9809752, 11584902, 14714628, 15446536, 17167066, 23169804, 25750599, 29429256, 34334132, 46339608, 51501198, 68668264, 103002396, 123848119, 206004792, 247696238, 371544357, 495392476, 743088714, 866936833, 990784952, 1486177428, 1733873666, 2600810499, 2972354856, 3467747332, 5201620998, 6935494664, 10403241996, 20806483992]

約数ペア:

[(1, 20806483992), (2, 10403241996), (3, 6935494664), (4, 5201620998), (6, 3467747332), (7, 2972354856), (8, 2600810499), (12, 1733873666), (14, 1486177428), (21, 990784952), (24, 866936833), (28, 743088714), (42, 495392476), (56, 371544357), (84, 247696238), (101, 206004792), (168, 123848119), (202, 103002396), (303, 68668264), (404, 51501198), (449, 46339608), (606, 34334132), (707, 29429256), (808, 25750599), (898, 23169804), (1212, 17167066), (1347, 15446536), (1414, 14714628), (1796, 11584902), (2121, 9809752), (2424, 8583533), (2694, 7723268), (2731, 7618632), (2828, 7357314), (3143, 6619944), (3592, 5792451), (4242, 4904876), (5388, 3861634), (5462, 3809316), (5656, 3678657), (6286, 3309972), (8193, 2539544), (8484, 2452438), (9429, 2206648), (10776, 1930817), (10924, 1904658), (12572, 1654986), (16386, 1269772), (16968, 1226219), (18858, 1103324), (19117, 1088376), (21848, 952329), (25144, 827493), (32772, 634886), (37716, 551662), (38234, 544188), (45349, 458808), (57351, 362792), (65544, 317443), (75432, 275831), (76468, 272094), (90698, 229404), (114702, 181396), (136047, 152936)]