20284936

素因数分解:

$2^3\times 7^1\times {\mathrm{359}}^1\times {\mathrm{1009}}^1$

素因数の和:1381

約数の個数: 32

約数和(自身を含む): 43632000

約数和(自身を除く): 23347064

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 359, 718, 1009, 1436, 2018, 2513, 2872, 4036, 5026, 7063, 8072, 10052, 14126, 20104, 28252, 56504, 362231, 724462, 1448924, 2535617, 2897848, 5071234, 10142468, 20284936]

約数ペア:

[(1, 20284936), (2, 10142468), (4, 5071234), (7, 2897848), (8, 2535617), (14, 1448924), (28, 724462), (56, 362231), (359, 56504), (718, 28252), (1009, 20104), (1436, 14126), (2018, 10052), (2513, 8072), (2872, 7063), (4036, 5026)]