20479628

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23167}}^1$

素因数の和:23201

約数の個数: 24

約数和(自身を含む): 40868352

約数和(自身を除く): 20388724

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 221, 442, 884, 23167, 46334, 92668, 301171, 393839, 602342, 787678, 1204684, 1575356, 5119907, 10239814, 20479628]

約数ペア:

[(1, 20479628), (2, 10239814), (4, 5119907), (13, 1575356), (17, 1204684), (26, 787678), (34, 602342), (52, 393839), (68, 301171), (221, 92668), (442, 46334), (884, 23167)]