20714848

素因数分解:

$2^5\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1201}}^1$

素因数の和:1236

約数の個数: 72

約数和(自身を含む): 51796584

約数和(自身を除く): 31081736

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 49, 56, 77, 88, 98, 112, 154, 176, 196, 224, 308, 352, 392, 539, 616, 784, 1078, 1201, 1232, 1568, 2156, 2402, 2464, 4312, 4804, 8407, 8624, 9608, 13211, 16814, 17248, 19216, 26422, 33628, 38432, 52844, 58849, 67256, 92477, 105688, 117698, 134512, 184954, 211376, 235396, 269024, 369908, 422752, 470792, 647339, 739816, 941584, 1294678, 1479632, 1883168, 2589356, 2959264, 5178712, 10357424, 20714848]

約数ペア:

[(1, 20714848), (2, 10357424), (4, 5178712), (7, 2959264), (8, 2589356), (11, 1883168), (14, 1479632), (16, 1294678), (22, 941584), (28, 739816), (32, 647339), (44, 470792), (49, 422752), (56, 369908), (77, 269024), (88, 235396), (98, 211376), (112, 184954), (154, 134512), (176, 117698), (196, 105688), (224, 92477), (308, 67256), (352, 58849), (392, 52844), (539, 38432), (616, 33628), (784, 26422), (1078, 19216), (1201, 17248), (1232, 16814), (1568, 13211), (2156, 9608), (2402, 8624), (2464, 8407), (4312, 4804)]