20121032451

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1999}}^1\times {\mathrm{4231}}^1$

素因数の和:6307

約数の個数: 32

約数和(自身を含む): 29387008000

約数和(自身を除く): 9265975549

約数列:

[1, 3, 13, 39, 61, 183, 793, 1999, 2379, 4231, 5997, 12693, 25987, 55003, 77961, 121939, 165009, 258091, 365817, 774273, 1585207, 3355183, 4755621, 8457769, 10065549, 25373307, 109950997, 329852991, 515923909, 1547771727, 6707010817, 20121032451]

約数ペア:

[(1, 20121032451), (3, 6707010817), (13, 1547771727), (39, 515923909), (61, 329852991), (183, 109950997), (793, 25373307), (1999, 10065549), (2379, 8457769), (4231, 4755621), (5997, 3355183), (12693, 1585207), (25987, 774273), (55003, 365817), (77961, 258091), (121939, 165009)]