20478165

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59357}}^1$

素因数の和:59388

約数の個数: 16

約数和(自身を含む): 34190208

約数和(自身を除く): 13712043

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 59357, 178071, 296785, 890355, 1365211, 4095633, 6826055, 20478165]

約数ペア:

[(1, 20478165), (3, 6826055), (5, 4095633), (15, 1365211), (23, 890355), (69, 296785), (115, 178071), (345, 59357)]