20460020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{2477}}^1$

素因数の和:2552

約数の個数: 48

約数和(自身を含む): 49956480

約数和(自身を除く): 29496460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 59, 70, 118, 140, 236, 295, 413, 590, 826, 1180, 1652, 2065, 2477, 4130, 4954, 8260, 9908, 12385, 17339, 24770, 34678, 49540, 69356, 86695, 146143, 173390, 292286, 346780, 584572, 730715, 1023001, 1461430, 2046002, 2922860, 4092004, 5115005, 10230010, 20460020]

約数ペア:

[(1, 20460020), (2, 10230010), (4, 5115005), (5, 4092004), (7, 2922860), (10, 2046002), (14, 1461430), (20, 1023001), (28, 730715), (35, 584572), (59, 346780), (70, 292286), (118, 173390), (140, 146143), (236, 86695), (295, 69356), (413, 49540), (590, 34678), (826, 24770), (1180, 17339), (1652, 12385), (2065, 9908), (2477, 8260), (4130, 4954)]