20977096

素因数分解:

$2^3\times 7^2\times {\mathrm{59}}^1\times {\mathrm{907}}^1$

素因数の和:986

約数の個数: 48

約数和(自身を含む): 46580400

約数和(自身を除く): 25603304

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 59, 98, 118, 196, 236, 392, 413, 472, 826, 907, 1652, 1814, 2891, 3304, 3628, 5782, 6349, 7256, 11564, 12698, 23128, 25396, 44443, 50792, 53513, 88886, 107026, 177772, 214052, 355544, 374591, 428104, 749182, 1498364, 2622137, 2996728, 5244274, 10488548, 20977096]

約数ペア:

[(1, 20977096), (2, 10488548), (4, 5244274), (7, 2996728), (8, 2622137), (14, 1498364), (28, 749182), (49, 428104), (56, 374591), (59, 355544), (98, 214052), (118, 177772), (196, 107026), (236, 88886), (392, 53513), (413, 50792), (472, 44443), (826, 25396), (907, 23128), (1652, 12698), (1814, 11564), (2891, 7256), (3304, 6349), (3628, 5782)]