20573690

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{30707}}^1$

素因数の和:30781

約数の個数: 16

約数和(自身を含む): 37586592

約数和(自身を除く): 17012902

約数列:

[1, 2, 5, 10, 67, 134, 335, 670, 30707, 61414, 153535, 307070, 2057369, 4114738, 10286845, 20573690]

約数ペア:

[(1, 20573690), (2, 10286845), (5, 4114738), (10, 2057369), (67, 307070), (134, 153535), (335, 61414), (670, 30707)]