20512374016

素因数分解:

$2^8\times {\mathrm{79}}^1\times {\mathrm{1014259}}^1$

素因数の和:1014354

約数の個数: 36

約数和(自身を含む): 41462948800

約数和(自身を除く): 20950574784

約数列:

[1, 2, 4, 8, 16, 32, 64, 79, 128, 158, 256, 316, 632, 1264, 2528, 5056, 10112, 20224, 1014259, 2028518, 4057036, 8114072, 16228144, 32456288, 64912576, 80126461, 129825152, 160252922, 259650304, 320505844, 641011688, 1282023376, 2564046752, 5128093504, 10256187008, 20512374016]

約数ペア:

[(1, 20512374016), (2, 10256187008), (4, 5128093504), (8, 2564046752), (16, 1282023376), (32, 641011688), (64, 320505844), (79, 259650304), (128, 160252922), (158, 129825152), (256, 80126461), (316, 64912576), (632, 32456288), (1264, 16228144), (2528, 8114072), (5056, 4057036), (10112, 2028518), (20224, 1014259)]