20161289388

素因数分解:

$2^2\times 3^1\times {\mathrm{47}}^1\times {\mathrm{199}}^1\times {\mathrm{179633}}^1$

素因数の和:179886

約数の個数: 48

約数和(自身を含む): 48285619200

約数和(自身を除く): 28124329812

約数列:

[1, 2, 3, 4, 6, 12, 47, 94, 141, 188, 199, 282, 398, 564, 597, 796, 1194, 2388, 9353, 18706, 28059, 37412, 56118, 112236, 179633, 359266, 538899, 718532, 1077798, 2155596, 8442751, 16885502, 25328253, 33771004, 35746967, 50656506, 71493934, 101313012, 107240901, 142987868, 214481802, 428963604, 1680107449, 3360214898, 5040322347, 6720429796, 10080644694, 20161289388]

約数ペア:

[(1, 20161289388), (2, 10080644694), (3, 6720429796), (4, 5040322347), (6, 3360214898), (12, 1680107449), (47, 428963604), (94, 214481802), (141, 142987868), (188, 107240901), (199, 101313012), (282, 71493934), (398, 50656506), (564, 35746967), (597, 33771004), (796, 25328253), (1194, 16885502), (2388, 8442751), (9353, 2155596), (18706, 1077798), (28059, 718532), (37412, 538899), (56118, 359266), (112236, 179633)]