20440256

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{18787}}^1$

素因数の和:18816

約数の個数: 28

約数和(自身を含む): 42949368

約数和(自身を除く): 22509112

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 136, 272, 544, 1088, 18787, 37574, 75148, 150296, 300592, 319379, 601184, 638758, 1202368, 1277516, 2555032, 5110064, 10220128, 20440256]

約数ペア:

[(1, 20440256), (2, 10220128), (4, 5110064), (8, 2555032), (16, 1277516), (17, 1202368), (32, 638758), (34, 601184), (64, 319379), (68, 300592), (136, 150296), (272, 75148), (544, 37574), (1088, 18787)]