20123803515

素因数分解:

$3^1\times 5^1\times {\mathrm{56941}}^1\times {\mathrm{23561}}^1$

素因数の和:80510

約数の個数: 16

約数和(自身を含む): 32200017696

約数和(自身を除く): 12076214181

約数列:

[1, 3, 5, 15, 23561, 56941, 70683, 117805, 170823, 284705, 353415, 854115, 1341586901, 4024760703, 6707934505, 20123803515]

約数ペア:

[(1, 20123803515), (3, 6707934505), (5, 4024760703), (15, 1341586901), (23561, 854115), (56941, 353415), (70683, 284705), (117805, 170823)]