201975220

素因数分解:

$2^2\times 5^1\times {\mathrm{431}}^1\times {\mathrm{23431}}^1$

素因数の和:23871

約数の個数: 24

約数和(自身を含む): 425150208

約数和(自身を除く): 223174988

約数列:

[1, 2, 4, 5, 10, 20, 431, 862, 1724, 2155, 4310, 8620, 23431, 46862, 93724, 117155, 234310, 468620, 10098761, 20197522, 40395044, 50493805, 100987610, 201975220]

約数ペア:

[(1, 201975220), (2, 100987610), (4, 50493805), (5, 40395044), (10, 20197522), (20, 10098761), (431, 468620), (862, 234310), (1724, 117155), (2155, 93724), (4310, 46862), (8620, 23431)]