20900052

素因数分解:

$2^2\times 3^3\times {\mathrm{431}}^1\times {\mathrm{449}}^1$

素因数の和:893

約数の個数: 48

約数和(自身を含む): 54432000

約数和(自身を除く): 33531948

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 431, 449, 862, 898, 1293, 1347, 1724, 1796, 2586, 2694, 3879, 4041, 5172, 5388, 7758, 8082, 11637, 12123, 15516, 16164, 23274, 24246, 46548, 48492, 193519, 387038, 580557, 774076, 1161114, 1741671, 2322228, 3483342, 5225013, 6966684, 10450026, 20900052]

約数ペア:

[(1, 20900052), (2, 10450026), (3, 6966684), (4, 5225013), (6, 3483342), (9, 2322228), (12, 1741671), (18, 1161114), (27, 774076), (36, 580557), (54, 387038), (108, 193519), (431, 48492), (449, 46548), (862, 24246), (898, 23274), (1293, 16164), (1347, 15516), (1724, 12123), (1796, 11637), (2586, 8082), (2694, 7758), (3879, 5388), (4041, 5172)]