20160921180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19765609}}^1$

素因数の和:19765638

約数の個数: 48

約数和(自身を含む): 59771204640

約数和(自身を除く): 39610283460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 19765609, 39531218, 59296827, 79062436, 98828045, 118593654, 197656090, 237187308, 296484135, 336015353, 395312180, 592968270, 672030706, 1008046059, 1185936540, 1344061412, 1680076765, 2016092118, 3360153530, 4032184236, 5040230295, 6720307060, 10080460590, 20160921180]

約数ペア:

[(1, 20160921180), (2, 10080460590), (3, 6720307060), (4, 5040230295), (5, 4032184236), (6, 3360153530), (10, 2016092118), (12, 1680076765), (15, 1344061412), (17, 1185936540), (20, 1008046059), (30, 672030706), (34, 592968270), (51, 395312180), (60, 336015353), (68, 296484135), (85, 237187308), (102, 197656090), (170, 118593654), (204, 98828045), (255, 79062436), (340, 59296827), (510, 39531218), (1020, 19765609)]