2017840420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2460781}}^1$

素因数の和:2460831

約数の個数: 24

約数和(自身を含む): 4340819448

約数和(自身を除く): 2322979028

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 2460781, 4921562, 9843124, 12303905, 24607810, 49215620, 100892021, 201784042, 403568084, 504460105, 1008920210, 2017840420]

約数ペア:

[(1, 2017840420), (2, 1008920210), (4, 504460105), (5, 403568084), (10, 201784042), (20, 100892021), (41, 49215620), (82, 24607810), (164, 12303905), (205, 9843124), (410, 4921562), (820, 2460781)]