20039830

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{37811}}^1$

素因数の和:37871

約数の個数: 16

約数和(自身を含む): 36753264

約数和(自身を除く): 16713434

約数列:

[1, 2, 5, 10, 53, 106, 265, 530, 37811, 75622, 189055, 378110, 2003983, 4007966, 10019915, 20039830]

約数ペア:

[(1, 20039830), (2, 10019915), (5, 4007966), (10, 2003983), (53, 378110), (106, 189055), (265, 75622), (530, 37811)]