20161900845

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{881}}^1\times {\mathrm{11827}}^1$

素因数の和:12762

約数の個数: 48

約数和(自身を含む): 35803639872

約数和(自身を除く): 15641739027

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 881, 1935, 2643, 4405, 7929, 11827, 13215, 35481, 37883, 39645, 59135, 106443, 113649, 177405, 189415, 340947, 508561, 532215, 568245, 1525683, 1704735, 2542805, 4577049, 7628415, 10419587, 22885245, 31258761, 52097935, 93776283, 156293805, 448042241, 468881415, 1344126723, 2240211205, 4032380169, 6720633615, 20161900845]

約数ペア:

[(1, 20161900845), (3, 6720633615), (5, 4032380169), (9, 2240211205), (15, 1344126723), (43, 468881415), (45, 448042241), (129, 156293805), (215, 93776283), (387, 52097935), (645, 31258761), (881, 22885245), (1935, 10419587), (2643, 7628415), (4405, 4577049), (7929, 2542805), (11827, 1704735), (13215, 1525683), (35481, 568245), (37883, 532215), (39645, 508561), (59135, 340947), (106443, 189415), (113649, 177405)]