20178211105

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{3079}}^1\times {\mathrm{100823}}^1$

素因数の和:103920

約数の個数: 16

約数和(自身を含む): 26085185280

約数和(自身を除く): 5906974175

約数列:

[1, 5, 13, 65, 3079, 15395, 40027, 100823, 200135, 504115, 1310699, 6553495, 310434017, 1552170085, 4035642221, 20178211105]

約数ペア:

[(1, 20178211105), (5, 4035642221), (13, 1552170085), (65, 310434017), (3079, 6553495), (15395, 1310699), (40027, 504115), (100823, 200135)]