20672809

素因数分解:

${\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{193}}^1$

素因数の和:336

約数の個数: 16

約数和(自身を含む): 22125312

約数和(自身を除く): 1452503

約数列:

[1, 43, 47, 53, 193, 2021, 2279, 2491, 8299, 9071, 10229, 107113, 390053, 439847, 480763, 20672809]

約数ペア:

[(1, 20672809), (43, 480763), (47, 439847), (53, 390053), (193, 107113), (2021, 10229), (2279, 9071), (2491, 8299)]