20739968128

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{3163}}^1\times {\mathrm{4657}}^1$

素因数の和:7845

約数の個数: 64

約数和(自身を含む): 45098010720

約数和(自身を除く): 24358042592

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 352, 704, 1408, 3163, 4657, 6326, 9314, 12652, 18628, 25304, 34793, 37256, 50608, 51227, 69586, 74512, 101216, 102454, 139172, 149024, 202432, 204908, 278344, 298048, 404864, 409816, 556688, 596096, 819632, 1113376, 1639264, 2226752, 3278528, 4453504, 6557056, 14730091, 29460182, 58920364, 117840728, 162031001, 235681456, 324062002, 471362912, 648124004, 942725824, 1296248008, 1885451648, 2592496016, 5184992032, 10369984064, 20739968128]

約数ペア:

[(1, 20739968128), (2, 10369984064), (4, 5184992032), (8, 2592496016), (11, 1885451648), (16, 1296248008), (22, 942725824), (32, 648124004), (44, 471362912), (64, 324062002), (88, 235681456), (128, 162031001), (176, 117840728), (352, 58920364), (704, 29460182), (1408, 14730091), (3163, 6557056), (4657, 4453504), (6326, 3278528), (9314, 2226752), (12652, 1639264), (18628, 1113376), (25304, 819632), (34793, 596096), (37256, 556688), (50608, 409816), (51227, 404864), (69586, 298048), (74512, 278344), (101216, 204908), (102454, 202432), (139172, 149024)]