2019602020

素因数分解:

$2^2\times 5^1\times {\mathrm{1381}}^1\times {\mathrm{73121}}^1$

素因数の和:74511

約数の個数: 24

約数和(自身を含む): 4244293368

約数和(自身を除く): 2224691348

約数列:

[1, 2, 4, 5, 10, 20, 1381, 2762, 5524, 6905, 13810, 27620, 73121, 146242, 292484, 365605, 731210, 1462420, 100980101, 201960202, 403920404, 504900505, 1009801010, 2019602020]

約数ペア:

[(1, 2019602020), (2, 1009801010), (4, 504900505), (5, 403920404), (10, 201960202), (20, 100980101), (1381, 1462420), (2762, 731210), (5524, 365605), (6905, 292484), (13810, 146242), (27620, 73121)]