20027805

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{10039}}^1$

素因数の和:10073

約数の個数: 32

約数和(自身を含む): 38553600

約数和(自身を除く): 18525795

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 399, 665, 1995, 10039, 30117, 50195, 70273, 150585, 190741, 210819, 351365, 572223, 953705, 1054095, 1335187, 2861115, 4005561, 6675935, 20027805]

約数ペア:

[(1, 20027805), (3, 6675935), (5, 4005561), (7, 2861115), (15, 1335187), (19, 1054095), (21, 953705), (35, 572223), (57, 351365), (95, 210819), (105, 190741), (133, 150585), (285, 70273), (399, 50195), (665, 30117), (1995, 10039)]