20661494

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{86813}}^1$

素因数の和:86839

約数の個数: 16

約数和(自身を含む): 37503648

約数和(自身を除く): 16842154

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 86813, 173626, 607691, 1215382, 1475821, 2951642, 10330747, 20661494]

約数ペア:

[(1, 20661494), (2, 10330747), (7, 2951642), (14, 1475821), (17, 1215382), (34, 607691), (119, 173626), (238, 86813)]