20198308

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{2383}}^1$

素因数の和:2563

約数の個数: 24

約数和(自身を含む): 38315648

約数和(自身を除く): 18117340

約数列:

[1, 2, 4, 13, 26, 52, 163, 326, 652, 2119, 2383, 4238, 4766, 8476, 9532, 30979, 61958, 123916, 388429, 776858, 1553716, 5049577, 10099154, 20198308]

約数ペア:

[(1, 20198308), (2, 10099154), (4, 5049577), (13, 1553716), (26, 776858), (52, 388429), (163, 123916), (326, 61958), (652, 30979), (2119, 9532), (2383, 8476), (4238, 4766)]