20136973900

素因数分解:

$2^2\times 5^2\times {\mathrm{439}}^1\times {\mathrm{458701}}^1$

素因数の和:459154

約数の個数: 36

約数和(自身を含む): 43796866960

約数和(自身を除く): 23659893060

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 439, 878, 1756, 2195, 4390, 8780, 10975, 21950, 43900, 458701, 917402, 1834804, 2293505, 4587010, 9174020, 11467525, 22935050, 45870100, 201369739, 402739478, 805478956, 1006848695, 2013697390, 4027394780, 5034243475, 10068486950, 20136973900]

約数ペア:

[(1, 20136973900), (2, 10068486950), (4, 5034243475), (5, 4027394780), (10, 2013697390), (20, 1006848695), (25, 805478956), (50, 402739478), (100, 201369739), (439, 45870100), (878, 22935050), (1756, 11467525), (2195, 9174020), (4390, 4587010), (8780, 2293505), (10975, 1834804), (21950, 917402), (43900, 458701)]