20462776

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{947}}^1$

素因数の和:1063

約数の個数: 32

約数和(自身を含む): 39986640

約数和(自身を除く): 19523864

約数列:

[1, 2, 4, 8, 37, 73, 74, 146, 148, 292, 296, 584, 947, 1894, 2701, 3788, 5402, 7576, 10804, 21608, 35039, 69131, 70078, 138262, 140156, 276524, 280312, 553048, 2557847, 5115694, 10231388, 20462776]

約数ペア:

[(1, 20462776), (2, 10231388), (4, 5115694), (8, 2557847), (37, 553048), (73, 280312), (74, 276524), (146, 140156), (148, 138262), (292, 70078), (296, 69131), (584, 35039), (947, 21608), (1894, 10804), (2701, 7576), (3788, 5402)]