20161664772

素因数分解:

$2^2\times 3^1\times {\mathrm{139}}^1\times {\mathrm{197}}^1\times {\mathrm{61357}}^1$

素因数の和:61700

約数の個数: 48

約数和(自身を含む): 47623625280

約数和(自身を除く): 27461960508

約数列:

[1, 2, 3, 4, 6, 12, 139, 197, 278, 394, 417, 556, 591, 788, 834, 1182, 1668, 2364, 27383, 54766, 61357, 82149, 109532, 122714, 164298, 184071, 245428, 328596, 368142, 736284, 8528623, 12087329, 17057246, 24174658, 25585869, 34114492, 36261987, 48349316, 51171738, 72523974, 102343476, 145047948, 1680138731, 3360277462, 5040416193, 6720554924, 10080832386, 20161664772]

約数ペア:

[(1, 20161664772), (2, 10080832386), (3, 6720554924), (4, 5040416193), (6, 3360277462), (12, 1680138731), (139, 145047948), (197, 102343476), (278, 72523974), (394, 51171738), (417, 48349316), (556, 36261987), (591, 34114492), (788, 25585869), (834, 24174658), (1182, 17057246), (1668, 12087329), (2364, 8528623), (27383, 736284), (54766, 368142), (61357, 328596), (82149, 245428), (109532, 184071), (122714, 164298)]