20197898

素因数分解:

$2^1\times 7^3\times {\mathrm{29443}}^1$

素因数の和:29466

約数の個数: 16

約数和(自身を含む): 35332800

約数和(自身を除く): 15134902

約数列:

[1, 2, 7, 14, 49, 98, 343, 686, 29443, 58886, 206101, 412202, 1442707, 2885414, 10098949, 20197898]

約数ペア:

[(1, 20197898), (2, 10098949), (7, 2885414), (14, 1442707), (49, 412202), (98, 206101), (343, 58886), (686, 29443)]