16721940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{337}}^1\times {\mathrm{827}}^1$

素因数の和:1176

約数の個数: 48

約数和(自身を含む): 47017152

約数和(自身を除く): 30295212

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 337, 674, 827, 1011, 1348, 1654, 1685, 2022, 2481, 3308, 3370, 4044, 4135, 4962, 5055, 6740, 8270, 9924, 10110, 12405, 16540, 20220, 24810, 49620, 278699, 557398, 836097, 1114796, 1393495, 1672194, 2786990, 3344388, 4180485, 5573980, 8360970, 16721940]

約数ペア:

[(1, 16721940), (2, 8360970), (3, 5573980), (4, 4180485), (5, 3344388), (6, 2786990), (10, 1672194), (12, 1393495), (15, 1114796), (20, 836097), (30, 557398), (60, 278699), (337, 49620), (674, 24810), (827, 20220), (1011, 16540), (1348, 12405), (1654, 10110), (1685, 9924), (2022, 8270), (2481, 6740), (3308, 5055), (3370, 4962), (4044, 4135)]