20793955

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1987}}^1$

素因数の和:2035

約数の個数: 32

約数和(自身を含む): 32062464

約数和(自身を除く): 11268509

約数列:

[1, 5, 7, 13, 23, 35, 65, 91, 115, 161, 299, 455, 805, 1495, 1987, 2093, 9935, 10465, 13909, 25831, 45701, 69545, 129155, 180817, 228505, 319907, 594113, 904085, 1599535, 2970565, 4158791, 20793955]

約数ペア:

[(1, 20793955), (5, 4158791), (7, 2970565), (13, 1599535), (23, 904085), (35, 594113), (65, 319907), (91, 228505), (115, 180817), (161, 129155), (299, 69545), (455, 45701), (805, 25831), (1495, 13909), (1987, 10465), (2093, 9935)]