20965952

素因数分解:

$2^6\times 7^1\times {\mathrm{53}}^1\times {\mathrm{883}}^1$

素因数の和:955

約数の個数: 56

約数和(自身を含む): 48499776

約数和(自身を除く): 27533824

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 53, 56, 64, 106, 112, 212, 224, 371, 424, 448, 742, 848, 883, 1484, 1696, 1766, 2968, 3392, 3532, 5936, 6181, 7064, 11872, 12362, 14128, 23744, 24724, 28256, 46799, 49448, 56512, 93598, 98896, 187196, 197792, 327593, 374392, 395584, 655186, 748784, 1310372, 1497568, 2620744, 2995136, 5241488, 10482976, 20965952]

約数ペア:

[(1, 20965952), (2, 10482976), (4, 5241488), (7, 2995136), (8, 2620744), (14, 1497568), (16, 1310372), (28, 748784), (32, 655186), (53, 395584), (56, 374392), (64, 327593), (106, 197792), (112, 187196), (212, 98896), (224, 93598), (371, 56512), (424, 49448), (448, 46799), (742, 28256), (848, 24724), (883, 23744), (1484, 14128), (1696, 12362), (1766, 11872), (2968, 7064), (3392, 6181), (3532, 5936)]