20246278

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{9857}}^1$

素因数の和:9951

約数の個数: 16

約数和(自身を含む): 33122880

約数和(自身を除く): 12876602

約数列:

[1, 2, 13, 26, 79, 158, 1027, 2054, 9857, 19714, 128141, 256282, 778703, 1557406, 10123139, 20246278]

約数ペア:

[(1, 20246278), (2, 10123139), (13, 1557406), (26, 778703), (79, 256282), (158, 128141), (1027, 19714), (2054, 9857)]