20752620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{49411}}^1$

素因数の和:49430

約数の個数: 48

約数和(自身を含む): 66409728

約数和(自身を除く): 45657108

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 49411, 98822, 148233, 197644, 247055, 296466, 345877, 494110, 592932, 691754, 741165, 988220, 1037631, 1383508, 1482330, 1729385, 2075262, 2964660, 3458770, 4150524, 5188155, 6917540, 10376310, 20752620]

約数ペア:

[(1, 20752620), (2, 10376310), (3, 6917540), (4, 5188155), (5, 4150524), (6, 3458770), (7, 2964660), (10, 2075262), (12, 1729385), (14, 1482330), (15, 1383508), (20, 1037631), (21, 988220), (28, 741165), (30, 691754), (35, 592932), (42, 494110), (60, 345877), (70, 296466), (84, 247055), (105, 197644), (140, 148233), (210, 98822), (420, 49411)]