20505737950

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{167}}^1\times {\mathrm{673}}^1$

素因数の和:982

約数の個数: 96

約数和(自身を含む): 39805577280

約数和(自身を除く): 19299839330

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 89, 167, 178, 205, 334, 410, 445, 673, 835, 890, 1025, 1346, 1670, 2050, 2225, 3365, 3649, 4175, 4450, 6730, 6847, 7298, 8350, 13694, 14863, 16825, 18245, 27593, 29726, 33650, 34235, 36490, 55186, 59897, 68470, 74315, 91225, 112391, 119794, 137965, 148630, 171175, 182450, 224782, 275930, 299485, 342350, 371575, 561955, 598970, 609383, 689825, 743150, 1123910, 1218766, 1379650, 1497425, 2455777, 2809775, 2994850, 3046915, 4608031, 4911554, 5619550, 6093830, 9216062, 10002799, 12278885, 15234575, 20005598, 23040155, 24557770, 30469150, 46080310, 50013995, 61394425, 100027990, 115200775, 122788850, 230401550, 250069975, 410114759, 500139950, 820229518, 2050573795, 4101147590, 10252868975, 20505737950]

約数ペア:

[(1, 20505737950), (2, 10252868975), (5, 4101147590), (10, 2050573795), (25, 820229518), (41, 500139950), (50, 410114759), (82, 250069975), (89, 230401550), (167, 122788850), (178, 115200775), (205, 100027990), (334, 61394425), (410, 50013995), (445, 46080310), (673, 30469150), (835, 24557770), (890, 23040155), (1025, 20005598), (1346, 15234575), (1670, 12278885), (2050, 10002799), (2225, 9216062), (3365, 6093830), (3649, 5619550), (4175, 4911554), (4450, 4608031), (6730, 3046915), (6847, 2994850), (7298, 2809775), (8350, 2455777), (13694, 1497425), (14863, 1379650), (16825, 1218766), (18245, 1123910), (27593, 743150), (29726, 689825), (33650, 609383), (34235, 598970), (36490, 561955), (55186, 371575), (59897, 342350), (68470, 299485), (74315, 275930), (91225, 224782), (112391, 182450), (119794, 171175), (137965, 148630)]