20889972

素因数分解:

$2^2\times 3^2\times {\mathrm{73}}^1\times {\mathrm{7949}}^1$

素因数の和:8032

約数の個数: 36

約数和(自身を含む): 53535300

約数和(自身を除く): 32645328

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 73, 146, 219, 292, 438, 657, 876, 1314, 2628, 7949, 15898, 23847, 31796, 47694, 71541, 95388, 143082, 286164, 580277, 1160554, 1740831, 2321108, 3481662, 5222493, 6963324, 10444986, 20889972]

約数ペア:

[(1, 20889972), (2, 10444986), (3, 6963324), (4, 5222493), (6, 3481662), (9, 2321108), (12, 1740831), (18, 1160554), (36, 580277), (73, 286164), (146, 143082), (219, 95388), (292, 71541), (438, 47694), (657, 31796), (876, 23847), (1314, 15898), (2628, 7949)]