20849204

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{179}}^1\times {\mathrm{787}}^1$

素因数の和:1007

約数の個数: 24

約数和(自身を含む): 37729440

約数和(自身を除く): 16880236

約数列:

[1, 2, 4, 37, 74, 148, 179, 358, 716, 787, 1574, 3148, 6623, 13246, 26492, 29119, 58238, 116476, 140873, 281746, 563492, 5212301, 10424602, 20849204]

約数ペア:

[(1, 20849204), (2, 10424602), (4, 5212301), (37, 563492), (74, 281746), (148, 140873), (179, 116476), (358, 58238), (716, 29119), (787, 26492), (1574, 13246), (3148, 6623)]