20296978

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{227}}^1$

素因数の和:442

約数の個数: 32

約数和(自身を含む): 34856640

約数和(自身を除く): 14559662

約数列:

[1, 2, 13, 19, 26, 38, 181, 227, 247, 362, 454, 494, 2353, 2951, 3439, 4313, 4706, 5902, 6878, 8626, 41087, 44707, 56069, 82174, 89414, 112138, 534131, 780653, 1068262, 1561306, 10148489, 20296978]

約数ペア:

[(1, 20296978), (2, 10148489), (13, 1561306), (19, 1068262), (26, 780653), (38, 534131), (181, 112138), (227, 89414), (247, 82174), (362, 56069), (454, 44707), (494, 41087), (2353, 8626), (2951, 6878), (3439, 5902), (4313, 4706)]