20130949456

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{348431}}^1$

素因数の和:348619

約数の個数: 40

約数和(自身を含む): 40958878464

約数和(自身を除く): 20827929008

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 157, 184, 314, 368, 628, 1256, 2512, 3611, 7222, 14444, 28888, 57776, 348431, 696862, 1393724, 2787448, 5574896, 8013913, 16027826, 32055652, 54703667, 64111304, 109407334, 128222608, 218814668, 437629336, 875258672, 1258184341, 2516368682, 5032737364, 10065474728, 20130949456]

約数ペア:

[(1, 20130949456), (2, 10065474728), (4, 5032737364), (8, 2516368682), (16, 1258184341), (23, 875258672), (46, 437629336), (92, 218814668), (157, 128222608), (184, 109407334), (314, 64111304), (368, 54703667), (628, 32055652), (1256, 16027826), (2512, 8013913), (3611, 5574896), (7222, 2787448), (14444, 1393724), (28888, 696862), (57776, 348431)]