20681970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{227}}^1\times {\mathrm{3037}}^1$

素因数の和:3274

約数の個数: 32

約数和(自身を含む): 49871808

約数和(自身を除く): 29189838

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 227, 454, 681, 1135, 1362, 2270, 3037, 3405, 6074, 6810, 9111, 15185, 18222, 30370, 45555, 91110, 689399, 1378798, 2068197, 3446995, 4136394, 6893990, 10340985, 20681970]

約数ペア:

[(1, 20681970), (2, 10340985), (3, 6893990), (5, 4136394), (6, 3446995), (10, 2068197), (15, 1378798), (30, 689399), (227, 91110), (454, 45555), (681, 30370), (1135, 18222), (1362, 15185), (2270, 9111), (3037, 6810), (3405, 6074)]