20451136

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{18797}}^1$

素因数の和:18826

約数の個数: 28

約数和(自身を含む): 42972228

約数和(自身を除く): 22521092

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 136, 272, 544, 1088, 18797, 37594, 75188, 150376, 300752, 319549, 601504, 639098, 1203008, 1278196, 2556392, 5112784, 10225568, 20451136]

約数ペア:

[(1, 20451136), (2, 10225568), (4, 5112784), (8, 2556392), (16, 1278196), (17, 1203008), (32, 639098), (34, 601504), (64, 319549), (68, 300752), (136, 150376), (272, 75188), (544, 37594), (1088, 18797)]