20163375380

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{9981869}}^1$

素因数の和:9981979

約数の個数: 24

約数和(自身を含む): 42762331080

約数和(自身を除く): 22598955700

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 9981869, 19963738, 39927476, 49909345, 99818690, 199637380, 1008168769, 2016337538, 4032675076, 5040843845, 10081687690, 20163375380]

約数ペア:

[(1, 20163375380), (2, 10081687690), (4, 5040843845), (5, 4032675076), (10, 2016337538), (20, 1008168769), (101, 199637380), (202, 99818690), (404, 49909345), (505, 39927476), (1010, 19963738), (2020, 9981869)]