20459432

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{21491}}^1$

素因数の和:21521

約数の個数: 32

約数和(自身を含む): 46422720

約数和(自身を除く): 25963288

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 119, 136, 238, 476, 952, 21491, 42982, 85964, 150437, 171928, 300874, 365347, 601748, 730694, 1203496, 1461388, 2557429, 2922776, 5114858, 10229716, 20459432]

約数ペア:

[(1, 20459432), (2, 10229716), (4, 5114858), (7, 2922776), (8, 2557429), (14, 1461388), (17, 1203496), (28, 730694), (34, 601748), (56, 365347), (68, 300874), (119, 171928), (136, 150437), (238, 85964), (476, 42982), (952, 21491)]