20817838

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{337}}^1\times {\mathrm{461}}^1$

素因数の和:867

約数の個数: 16

約数和(自身を含む): 31855824

約数和(自身を除く): 11037986

約数列:

[1, 2, 67, 134, 337, 461, 674, 922, 22579, 30887, 45158, 61774, 155357, 310714, 10408919, 20817838]

約数ペア:

[(1, 20817838), (2, 10408919), (67, 310714), (134, 155357), (337, 61774), (461, 45158), (674, 30887), (922, 22579)]