20154855

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{6619}}^1$

素因数の和:6663

約数の個数: 32

約数和(自身を含む): 38131200

約数和(自身を除く): 17976345

約数列:

[1, 3, 5, 7, 15, 21, 29, 35, 87, 105, 145, 203, 435, 609, 1015, 3045, 6619, 19857, 33095, 46333, 99285, 138999, 191951, 231665, 575853, 694995, 959755, 1343657, 2879265, 4030971, 6718285, 20154855]

約数ペア:

[(1, 20154855), (3, 6718285), (5, 4030971), (7, 2879265), (15, 1343657), (21, 959755), (29, 694995), (35, 575853), (87, 231665), (105, 191951), (145, 138999), (203, 99285), (435, 46333), (609, 33095), (1015, 19857), (3045, 6619)]