20206600

素因数分解:

$2^3\times 5^2\times {\mathrm{71}}^1\times {\mathrm{1423}}^1$

素因数の和:1510

約数の個数: 48

約数和(自身を含む): 47675520

約数和(自身を除く): 27468920

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 71, 100, 142, 200, 284, 355, 568, 710, 1420, 1423, 1775, 2840, 2846, 3550, 5692, 7100, 7115, 11384, 14200, 14230, 28460, 35575, 56920, 71150, 101033, 142300, 202066, 284600, 404132, 505165, 808264, 1010330, 2020660, 2525825, 4041320, 5051650, 10103300, 20206600]

約数ペア:

[(1, 20206600), (2, 10103300), (4, 5051650), (5, 4041320), (8, 2525825), (10, 2020660), (20, 1010330), (25, 808264), (40, 505165), (50, 404132), (71, 284600), (100, 202066), (142, 142300), (200, 101033), (284, 71150), (355, 56920), (568, 35575), (710, 28460), (1420, 14230), (1423, 14200), (1775, 11384), (2840, 7115), (2846, 7100), (3550, 5692)]