20598344

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1$

素因数の和:210

約数の個数: 64

約数和(自身を含む): 43953840

約数和(自身を除く): 23355496

約数列:

[1, 2, 4, 8, 13, 26, 37, 52, 53, 74, 101, 104, 106, 148, 202, 212, 296, 404, 424, 481, 689, 808, 962, 1313, 1378, 1924, 1961, 2626, 2756, 3737, 3848, 3922, 5252, 5353, 5512, 7474, 7844, 10504, 10706, 14948, 15688, 21412, 25493, 29896, 42824, 48581, 50986, 69589, 97162, 101972, 139178, 194324, 198061, 203944, 278356, 388648, 396122, 556712, 792244, 1584488, 2574793, 5149586, 10299172, 20598344]

約数ペア:

[(1, 20598344), (2, 10299172), (4, 5149586), (8, 2574793), (13, 1584488), (26, 792244), (37, 556712), (52, 396122), (53, 388648), (74, 278356), (101, 203944), (104, 198061), (106, 194324), (148, 139178), (202, 101972), (212, 97162), (296, 69589), (404, 50986), (424, 48581), (481, 42824), (689, 29896), (808, 25493), (962, 21412), (1313, 15688), (1378, 14948), (1924, 10706), (1961, 10504), (2626, 7844), (2756, 7474), (3737, 5512), (3848, 5353), (3922, 5252)]