20109018

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{1481}}^1$

素因数の和:1590

約数の個数: 32

約数和(自身を含む): 42112512

約数和(自身を除く): 22003494

約数列:

[1, 2, 3, 6, 31, 62, 73, 93, 146, 186, 219, 438, 1481, 2263, 2962, 4443, 4526, 6789, 8886, 13578, 45911, 91822, 108113, 137733, 216226, 275466, 324339, 648678, 3351503, 6703006, 10054509, 20109018]

約数ペア:

[(1, 20109018), (2, 10054509), (3, 6703006), (6, 3351503), (31, 648678), (62, 324339), (73, 275466), (93, 216226), (146, 137733), (186, 108113), (219, 91822), (438, 45911), (1481, 13578), (2263, 8886), (2962, 6789), (4443, 4526)]