20121520278

素因数分解:

$2^1\times 3^1\times {\mathrm{53}}^1\times {\mathrm{3019}}^1\times {\mathrm{20959}}^1$

素因数の和:24036

約数の個数: 32

約数和(自身を含む): 41017881600

約数和(自身を除く): 20896361322

約数列:

[1, 2, 3, 6, 53, 106, 159, 318, 3019, 6038, 9057, 18114, 20959, 41918, 62877, 125754, 160007, 320014, 480021, 960042, 1110827, 2221654, 3332481, 6664962, 63275221, 126550442, 189825663, 379651326, 3353586713, 6707173426, 10060760139, 20121520278]

約数ペア:

[(1, 20121520278), (2, 10060760139), (3, 6707173426), (6, 3353586713), (53, 379651326), (106, 189825663), (159, 126550442), (318, 63275221), (3019, 6664962), (6038, 3332481), (9057, 2221654), (18114, 1110827), (20959, 960042), (41918, 480021), (62877, 320014), (125754, 160007)]