20997942

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{21737}}^1$

素因数の和:21772

約数の個数: 32

約数和(自身を含む): 50084352

約数和(自身を除く): 29086410

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 46, 69, 138, 161, 322, 483, 966, 21737, 43474, 65211, 130422, 152159, 304318, 456477, 499951, 912954, 999902, 1499853, 2999706, 3499657, 6999314, 10498971, 20997942]

約数ペア:

[(1, 20997942), (2, 10498971), (3, 6999314), (6, 3499657), (7, 2999706), (14, 1499853), (21, 999902), (23, 912954), (42, 499951), (46, 456477), (69, 304318), (138, 152159), (161, 130422), (322, 65211), (483, 43474), (966, 21737)]