20749890

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{98809}}^1$

素因数の和:98826

約数の個数: 32

約数和(自身を含む): 56914560

約数和(自身を除く): 36164670

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 98809, 197618, 296427, 494045, 592854, 691663, 988090, 1383326, 1482135, 2074989, 2964270, 3458315, 4149978, 6916630, 10374945, 20749890]

約数ペア:

[(1, 20749890), (2, 10374945), (3, 6916630), (5, 4149978), (6, 3458315), (7, 2964270), (10, 2074989), (14, 1482135), (15, 1383326), (21, 988090), (30, 691663), (35, 592854), (42, 494045), (70, 296427), (105, 197618), (210, 98809)]