20197804

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{1439}}^1$

素因数の和:1494

約数の個数: 36

約数和(自身を含む): 40219200

約数和(自身を除く): 20021396

約数列:

[1, 2, 4, 11, 22, 29, 44, 58, 116, 121, 242, 319, 484, 638, 1276, 1439, 2878, 3509, 5756, 7018, 14036, 15829, 31658, 41731, 63316, 83462, 166924, 174119, 348238, 459041, 696476, 918082, 1836164, 5049451, 10098902, 20197804]

約数ペア:

[(1, 20197804), (2, 10098902), (4, 5049451), (11, 1836164), (22, 918082), (29, 696476), (44, 459041), (58, 348238), (116, 174119), (121, 166924), (242, 83462), (319, 63316), (484, 41731), (638, 31658), (1276, 15829), (1439, 14036), (2878, 7018), (3509, 5756)]