20820870

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{33049}}^1$

素因数の和:33069

約数の個数: 48

約数和(自身を含む): 61869600

約数和(自身を除く): 41048730

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 33049, 66098, 99147, 165245, 198294, 231343, 297441, 330490, 462686, 495735, 594882, 694029, 991470, 1156715, 1388058, 1487205, 2082087, 2313430, 2974410, 3470145, 4164174, 6940290, 10410435, 20820870]

約数ペア:

[(1, 20820870), (2, 10410435), (3, 6940290), (5, 4164174), (6, 3470145), (7, 2974410), (9, 2313430), (10, 2082087), (14, 1487205), (15, 1388058), (18, 1156715), (21, 991470), (30, 694029), (35, 594882), (42, 495735), (45, 462686), (63, 330490), (70, 297441), (90, 231343), (105, 198294), (126, 165245), (210, 99147), (315, 66098), (630, 33049)]