20152912

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{257}}^1$

素因数の和:320

約数の個数: 60

約数和(自身を含む): 43909020

約数和(自身を除く): 23756108

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 52, 58, 104, 116, 169, 208, 232, 257, 338, 377, 464, 514, 676, 754, 1028, 1352, 1508, 2056, 2704, 3016, 3341, 4112, 4901, 6032, 6682, 7453, 9802, 13364, 14906, 19604, 26728, 29812, 39208, 43433, 53456, 59624, 78416, 86866, 96889, 119248, 173732, 193778, 347464, 387556, 694928, 775112, 1259557, 1550224, 2519114, 5038228, 10076456, 20152912]

約数ペア:

[(1, 20152912), (2, 10076456), (4, 5038228), (8, 2519114), (13, 1550224), (16, 1259557), (26, 775112), (29, 694928), (52, 387556), (58, 347464), (104, 193778), (116, 173732), (169, 119248), (208, 96889), (232, 86866), (257, 78416), (338, 59624), (377, 53456), (464, 43433), (514, 39208), (676, 29812), (754, 26728), (1028, 19604), (1352, 14906), (1508, 13364), (2056, 9802), (2704, 7453), (3016, 6682), (3341, 6032), (4112, 4901)]