20457003315

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{10254137}}^1$

素因数の和:10254171

約数の個数: 32

約数和(自身を含む): 39375889920

約数和(自身を除く): 18918886605

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 399, 665, 1995, 10254137, 30762411, 51270685, 71778959, 153812055, 194828603, 215336877, 358894795, 584485809, 974143015, 1076684385, 1363800221, 2922429045, 4091400663, 6819001105, 20457003315]

約数ペア:

[(1, 20457003315), (3, 6819001105), (5, 4091400663), (7, 2922429045), (15, 1363800221), (19, 1076684385), (21, 974143015), (35, 584485809), (57, 358894795), (95, 215336877), (105, 194828603), (133, 153812055), (285, 71778959), (399, 51270685), (665, 30762411), (1995, 10254137)]