20196884

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{229}}^1\times {\mathrm{1297}}^1$

素因数の和:1547

約数の個数: 24

約数和(自身を含む): 37616040

約数和(自身を除く): 17419156

約数列:

[1, 2, 4, 17, 34, 68, 229, 458, 916, 1297, 2594, 3893, 5188, 7786, 15572, 22049, 44098, 88196, 297013, 594026, 1188052, 5049221, 10098442, 20196884]

約数ペア:

[(1, 20196884), (2, 10098442), (4, 5049221), (17, 1188052), (34, 594026), (68, 297013), (229, 88196), (458, 44098), (916, 22049), (1297, 15572), (2594, 7786), (3893, 5188)]