20763645

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{6379}}^1$

素因数の和:6425

約数の個数: 32

約数和(自身を含む): 39198720

約数和(自身を除く): 18435075

約数列:

[1, 3, 5, 7, 15, 21, 31, 35, 93, 105, 155, 217, 465, 651, 1085, 3255, 6379, 19137, 31895, 44653, 95685, 133959, 197749, 223265, 593247, 669795, 988745, 1384243, 2966235, 4152729, 6921215, 20763645]

約数ペア:

[(1, 20763645), (3, 6921215), (5, 4152729), (7, 2966235), (15, 1384243), (21, 988745), (31, 669795), (35, 593247), (93, 223265), (105, 197749), (155, 133959), (217, 95685), (465, 44653), (651, 31895), (1085, 19137), (3255, 6379)]