20138835

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{31223}}^1$

素因数の和:31274

約数の個数: 16

約数和(自身を含む): 32972544

約数和(自身を除く): 12833709

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 31223, 93669, 156115, 468345, 1342589, 4027767, 6712945, 20138835]

約数ペア:

[(1, 20138835), (3, 6712945), (5, 4027767), (15, 1342589), (43, 468345), (129, 156115), (215, 93669), (645, 31223)]