20369200

素因数分解:

$2^4\times 5^2\times {\mathrm{50923}}^1$

素因数の和:50941

約数の個数: 30

約数和(自身を含む): 48937964

約数和(自身を除く): 28568764

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 50923, 101846, 203692, 254615, 407384, 509230, 814768, 1018460, 1273075, 2036920, 2546150, 4073840, 5092300, 10184600, 20369200]

約数ペア:

[(1, 20369200), (2, 10184600), (4, 5092300), (5, 4073840), (8, 2546150), (10, 2036920), (16, 1273075), (20, 1018460), (25, 814768), (40, 509230), (50, 407384), (80, 254615), (100, 203692), (200, 101846), (400, 50923)]