20195150

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1033}}^1$

素因数の和:1085

約数の個数: 48

約数和(自身を含む): 41541984

約数和(自身を除く): 21346834

約数列:

[1, 2, 5, 10, 17, 23, 25, 34, 46, 50, 85, 115, 170, 230, 391, 425, 575, 782, 850, 1033, 1150, 1955, 2066, 3910, 5165, 9775, 10330, 17561, 19550, 23759, 25825, 35122, 47518, 51650, 87805, 118795, 175610, 237590, 403903, 439025, 593975, 807806, 878050, 1187950, 2019515, 4039030, 10097575, 20195150]

約数ペア:

[(1, 20195150), (2, 10097575), (5, 4039030), (10, 2019515), (17, 1187950), (23, 878050), (25, 807806), (34, 593975), (46, 439025), (50, 403903), (85, 237590), (115, 175610), (170, 118795), (230, 87805), (391, 51650), (425, 47518), (575, 35122), (782, 25825), (850, 23759), (1033, 19550), (1150, 17561), (1955, 10330), (2066, 9775), (3910, 5165)]