20012699

素因数分解:

$7^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{601}}^1$

素因数の和:746

約数の個数: 16

約数和(自身を含む): 23579136

約数和(自身を除く): 3566437

約数列:

[1, 7, 67, 71, 469, 497, 601, 4207, 4757, 33299, 40267, 42671, 281869, 298697, 2858957, 20012699]

約数ペア:

[(1, 20012699), (7, 2858957), (67, 298697), (71, 281869), (469, 42671), (497, 40267), (601, 33299), (4207, 4757)]