20145321315

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{63953401}}^1$

素因数の和:63953419

約数の個数: 24

約数和(自身を含む): 39906922848

約数和(自身を除く): 19761601533

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 63953401, 191860203, 319767005, 447673807, 575580609, 959301015, 1343021421, 2238369035, 2877903045, 4029064263, 6715107105, 20145321315]

約数ペア:

[(1, 20145321315), (3, 6715107105), (5, 4029064263), (7, 2877903045), (9, 2238369035), (15, 1343021421), (21, 959301015), (35, 575580609), (45, 447673807), (63, 319767005), (105, 191860203), (315, 63953401)]