20782972

素因数分解:

$2^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{7349}}^1$

素因数の和:7461

約数の個数: 24

約数和(自身を含む): 41983200

約数和(自身を除く): 21200228

約数列:

[1, 2, 4, 7, 14, 28, 101, 202, 404, 707, 1414, 2828, 7349, 14698, 29396, 51443, 102886, 205772, 742249, 1484498, 2968996, 5195743, 10391486, 20782972]

約数ペア:

[(1, 20782972), (2, 10391486), (4, 5195743), (7, 2968996), (14, 1484498), (28, 742249), (101, 205772), (202, 102886), (404, 51443), (707, 29396), (1414, 14698), (2828, 7349)]