20437424

素因数分解:

$2^4\times 7^1\times {\mathrm{251}}^1\times {\mathrm{727}}^1$

素因数の和:993

約数の個数: 40

約数和(自身を含む): 45497088

約数和(自身を除く): 25059664

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 251, 502, 727, 1004, 1454, 1757, 2008, 2908, 3514, 4016, 5089, 5816, 7028, 10178, 11632, 14056, 20356, 28112, 40712, 81424, 182477, 364954, 729908, 1277339, 1459816, 2554678, 2919632, 5109356, 10218712, 20437424]

約数ペア:

[(1, 20437424), (2, 10218712), (4, 5109356), (7, 2919632), (8, 2554678), (14, 1459816), (16, 1277339), (28, 729908), (56, 364954), (112, 182477), (251, 81424), (502, 40712), (727, 28112), (1004, 20356), (1454, 14056), (1757, 11632), (2008, 10178), (2908, 7028), (3514, 5816), (4016, 5089)]