20148115

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{13477}}^1$

素因数の和:13518

約数の個数: 16

約数和(自身を含む): 27171648

約数和(自身を除く): 7023533

約数列:

[1, 5, 13, 23, 65, 115, 299, 1495, 13477, 67385, 175201, 309971, 876005, 1549855, 4029623, 20148115]

約数ペア:

[(1, 20148115), (5, 4029623), (13, 1549855), (23, 876005), (65, 309971), (115, 175201), (299, 67385), (1495, 13477)]