20211028

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{277}}^1$

素因数の和:364

約数の個数: 48

約数和(自身を含む): 39931920

約数和(自身を除く): 19720892

約数列:

[1, 2, 4, 17, 29, 34, 37, 58, 68, 74, 116, 148, 277, 493, 554, 629, 986, 1073, 1108, 1258, 1972, 2146, 2516, 4292, 4709, 8033, 9418, 10249, 16066, 18241, 18836, 20498, 32132, 36482, 40996, 72964, 136561, 174233, 273122, 297221, 348466, 546244, 594442, 696932, 1188884, 5052757, 10105514, 20211028]

約数ペア:

[(1, 20211028), (2, 10105514), (4, 5052757), (17, 1188884), (29, 696932), (34, 594442), (37, 546244), (58, 348466), (68, 297221), (74, 273122), (116, 174233), (148, 136561), (277, 72964), (493, 40996), (554, 36482), (629, 32132), (986, 20498), (1073, 18836), (1108, 18241), (1258, 16066), (1972, 10249), (2146, 9418), (2516, 8033), (4292, 4709)]