20138009720

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{21889141}}^1$

素因数の和:21889175

約数の個数: 32

約数和(自身を含む): 47280546720

約数和(自身を除く): 27142537000

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 21889141, 43778282, 87556564, 109445705, 175113128, 218891410, 437782820, 503450243, 875565640, 1006900486, 2013800972, 2517251215, 4027601944, 5034502430, 10069004860, 20138009720]

約数ペア:

[(1, 20138009720), (2, 10069004860), (4, 5034502430), (5, 4027601944), (8, 2517251215), (10, 2013800972), (20, 1006900486), (23, 875565640), (40, 503450243), (46, 437782820), (92, 218891410), (115, 175113128), (184, 109445705), (230, 87556564), (460, 43778282), (920, 21889141)]