20507700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{197}}^1\times {\mathrm{347}}^1$

素因数の和:561

約数の個数: 72

約数和(自身を含む): 59808672

約数和(自身を除く): 39300972

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 197, 300, 347, 394, 591, 694, 788, 985, 1041, 1182, 1388, 1735, 1970, 2082, 2364, 2955, 3470, 3940, 4164, 4925, 5205, 5910, 6940, 8675, 9850, 10410, 11820, 14775, 17350, 19700, 20820, 26025, 29550, 34700, 52050, 59100, 68359, 104100, 136718, 205077, 273436, 341795, 410154, 683590, 820308, 1025385, 1367180, 1708975, 2050770, 3417950, 4101540, 5126925, 6835900, 10253850, 20507700]

約数ペア:

[(1, 20507700), (2, 10253850), (3, 6835900), (4, 5126925), (5, 4101540), (6, 3417950), (10, 2050770), (12, 1708975), (15, 1367180), (20, 1025385), (25, 820308), (30, 683590), (50, 410154), (60, 341795), (75, 273436), (100, 205077), (150, 136718), (197, 104100), (300, 68359), (347, 59100), (394, 52050), (591, 34700), (694, 29550), (788, 26025), (985, 20820), (1041, 19700), (1182, 17350), (1388, 14775), (1735, 11820), (1970, 10410), (2082, 9850), (2364, 8675), (2955, 6940), (3470, 5910), (3940, 5205), (4164, 4925)]