20804566016

素因数分解:

$2^{10}\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{42239}}^1$

素因数の和:42309

約数の個数: 88

約数和(自身を含む): 45999528960

約数和(自身を除く): 25194962944

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 37, 52, 64, 74, 104, 128, 148, 208, 256, 296, 416, 481, 512, 592, 832, 962, 1024, 1184, 1664, 1924, 2368, 3328, 3848, 4736, 6656, 7696, 9472, 13312, 15392, 18944, 30784, 37888, 42239, 61568, 84478, 123136, 168956, 246272, 337912, 492544, 549107, 675824, 1098214, 1351648, 1562843, 2196428, 2703296, 3125686, 4392856, 5406592, 6251372, 8785712, 10813184, 12502744, 17571424, 20316959, 21626368, 25005488, 35142848, 40633918, 43252736, 50010976, 70285696, 81267836, 100021952, 140571392, 162535672, 200043904, 281142784, 325071344, 400087808, 562285568, 650142688, 800175616, 1300285376, 1600351232, 2600570752, 5201141504, 10402283008, 20804566016]

約数ペア:

[(1, 20804566016), (2, 10402283008), (4, 5201141504), (8, 2600570752), (13, 1600351232), (16, 1300285376), (26, 800175616), (32, 650142688), (37, 562285568), (52, 400087808), (64, 325071344), (74, 281142784), (104, 200043904), (128, 162535672), (148, 140571392), (208, 100021952), (256, 81267836), (296, 70285696), (416, 50010976), (481, 43252736), (512, 40633918), (592, 35142848), (832, 25005488), (962, 21626368), (1024, 20316959), (1184, 17571424), (1664, 12502744), (1924, 10813184), (2368, 8785712), (3328, 6251372), (3848, 5406592), (4736, 4392856), (6656, 3125686), (7696, 2703296), (9472, 2196428), (13312, 1562843), (15392, 1351648), (18944, 1098214), (30784, 675824), (37888, 549107), (42239, 492544), (61568, 337912), (84478, 246272), (123136, 168956)]