20448505

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53113}}^1$

素因数の和:53136

約数の個数: 16

約数和(自身を含む): 30593664

約数和(自身を除く): 10145159

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 53113, 265565, 371791, 584243, 1858955, 2921215, 4089701, 20448505]

約数ペア:

[(1, 20448505), (5, 4089701), (7, 2921215), (11, 1858955), (35, 584243), (55, 371791), (77, 265565), (385, 53113)]