20420288

素因数分解:

$2^6\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2399}}^1$

素因数の和:2437

約数の個数: 56

約数和(自身を含む): 48768000

約数和(自身を除く): 28347712

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 64, 76, 112, 133, 152, 224, 266, 304, 448, 532, 608, 1064, 1216, 2128, 2399, 4256, 4798, 8512, 9596, 16793, 19192, 33586, 38384, 45581, 67172, 76768, 91162, 134344, 153536, 182324, 268688, 319067, 364648, 537376, 638134, 729296, 1074752, 1276268, 1458592, 2552536, 2917184, 5105072, 10210144, 20420288]

約数ペア:

[(1, 20420288), (2, 10210144), (4, 5105072), (7, 2917184), (8, 2552536), (14, 1458592), (16, 1276268), (19, 1074752), (28, 729296), (32, 638134), (38, 537376), (56, 364648), (64, 319067), (76, 268688), (112, 182324), (133, 153536), (152, 134344), (224, 91162), (266, 76768), (304, 67172), (448, 45581), (532, 38384), (608, 33586), (1064, 19192), (1216, 16793), (2128, 9596), (2399, 8512), (4256, 4798)]