20239992

素因数分解:

$2^3\times 3^2\times {\mathrm{109}}^1\times {\mathrm{2579}}^1$

素因数の和:2700

約数の個数: 48

約数和(自身を含む): 55341000

約数和(自身を除く): 35101008

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 109, 218, 327, 436, 654, 872, 981, 1308, 1962, 2579, 2616, 3924, 5158, 7737, 7848, 10316, 15474, 20632, 23211, 30948, 46422, 61896, 92844, 185688, 281111, 562222, 843333, 1124444, 1686666, 2248888, 2529999, 3373332, 5059998, 6746664, 10119996, 20239992]

約数ペア:

[(1, 20239992), (2, 10119996), (3, 6746664), (4, 5059998), (6, 3373332), (8, 2529999), (9, 2248888), (12, 1686666), (18, 1124444), (24, 843333), (36, 562222), (72, 281111), (109, 185688), (218, 92844), (327, 61896), (436, 46422), (654, 30948), (872, 23211), (981, 20632), (1308, 15474), (1962, 10316), (2579, 7848), (2616, 7737), (3924, 5158)]