20114770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{359}}^1\times {\mathrm{431}}^1$

素因数の和:810

約数の個数: 32

約数和(自身を含む): 39191040

約数和(自身を除く): 19076270

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 359, 431, 718, 862, 1795, 2155, 3590, 4310, 4667, 5603, 9334, 11206, 23335, 28015, 46670, 56030, 154729, 309458, 773645, 1547290, 2011477, 4022954, 10057385, 20114770]

約数ペア:

[(1, 20114770), (2, 10057385), (5, 4022954), (10, 2011477), (13, 1547290), (26, 773645), (65, 309458), (130, 154729), (359, 56030), (431, 46670), (718, 28015), (862, 23335), (1795, 11206), (2155, 9334), (3590, 5603), (4310, 4667)]