20002048

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{7103}}^1$

素因数の和:7130

約数の個数: 36

約数和(自身を含む): 43561728

約数和(自身を除く): 23559680

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 256, 352, 704, 1408, 2816, 7103, 14206, 28412, 56824, 78133, 113648, 156266, 227296, 312532, 454592, 625064, 909184, 1250128, 1818368, 2500256, 5000512, 10001024, 20002048]

約数ペア:

[(1, 20002048), (2, 10001024), (4, 5000512), (8, 2500256), (11, 1818368), (16, 1250128), (22, 909184), (32, 625064), (44, 454592), (64, 312532), (88, 227296), (128, 156266), (176, 113648), (256, 78133), (352, 56824), (704, 28412), (1408, 14206), (2816, 7103)]