201911720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{296929}}^1$

素因数の和:296957

約数の個数: 32

約数和(自身を含む): 481026600

約数和(自身を除く): 279114880

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 296929, 593858, 1187716, 1484645, 2375432, 2969290, 5047793, 5938580, 10095586, 11877160, 20191172, 25238965, 40382344, 50477930, 100955860, 201911720]

約数ペア:

[(1, 201911720), (2, 100955860), (4, 50477930), (5, 40382344), (8, 25238965), (10, 20191172), (17, 11877160), (20, 10095586), (34, 5938580), (40, 5047793), (68, 2969290), (85, 2375432), (136, 1484645), (170, 1187716), (340, 593858), (680, 296929)]