20803738620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{49532711}}^1$

素因数の和:49532730

約数の個数: 48

約数和(自身を含む): 66571964928

約数和(自身を除く): 45768226308

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, 49532711, 99065422, 148598133, 198130844, 247663555, 297196266, 346728977, 495327110, 594392532, 693457954, 742990665, 990654220, 1040186931, 1386915908, 1485981330, 1733644885, 2080373862, 2971962660, 3467289770, 4160747724, 5200934655, 6934579540, 10401869310, 20803738620]

約数ペア:

[(1, 20803738620), (2, 10401869310), (3, 6934579540), (4, 5200934655), (5, 4160747724), (6, 3467289770), (7, 2971962660), (10, 2080373862), (12, 1733644885), (14, 1485981330), (15, 1386915908), (20, 1040186931), (21, 990654220), (28, 742990665), (30, 693457954), (35, 594392532), (42, 495327110), (60, 346728977), (70, 297196266), (84, 247663555), (105, 198130844), (140, 148598133), (210, 99065422), (420, 49532711)]