20119788

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^2\times {\mathrm{3307}}^1$

素因数の和:3343

約数の個数: 54

約数和(自身を含む): 55088124

約数和(自身を除く): 34968336

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 169, 234, 338, 468, 507, 676, 1014, 1521, 2028, 3042, 3307, 6084, 6614, 9921, 13228, 19842, 29763, 39684, 42991, 59526, 85982, 119052, 128973, 171964, 257946, 386919, 515892, 558883, 773838, 1117766, 1547676, 1676649, 2235532, 3353298, 5029947, 6706596, 10059894, 20119788]

約数ペア:

[(1, 20119788), (2, 10059894), (3, 6706596), (4, 5029947), (6, 3353298), (9, 2235532), (12, 1676649), (13, 1547676), (18, 1117766), (26, 773838), (36, 558883), (39, 515892), (52, 386919), (78, 257946), (117, 171964), (156, 128973), (169, 119052), (234, 85982), (338, 59526), (468, 42991), (507, 39684), (676, 29763), (1014, 19842), (1521, 13228), (2028, 9921), (3042, 6614), (3307, 6084)]