20730736

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{99667}}^1$

素因数の和:99688

約数の個数: 20

約数和(自身を含む): 43255912

約数和(自身を除く): 22525176

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 99667, 199334, 398668, 797336, 1295671, 1594672, 2591342, 5182684, 10365368, 20730736]

約数ペア:

[(1, 20730736), (2, 10365368), (4, 5182684), (8, 2591342), (13, 1594672), (16, 1295671), (26, 797336), (52, 398668), (104, 199334), (208, 99667)]